Combining exceptional technical performance with top-end craftsmanship, Rolex is one of the few renowned luxury watch brands that create timeless timepieces, perfectly blending technical mastery with luxury, durability, and ingenuity. A famous and trailblazing presence in the world of Swiss watchmaking, with an emphasis on delicate design, Rolex surpasses its competition to stand out with watches engineered to withstand the challenges of demanding environments.
Rolex sets itself apart by creating watches that are sophisticated in style and incredibly durable, capable of withstanding extreme conditions, ensuring longevity, and a highly adjustable design. A significant reason behind the watch’s robust reliability is the brand's innovativeness, technical prowess, and exceptional durability, all of which are backed by unparalleled expertise in water-resistant watch technology.
If you're looking to explore or own such iconic timepieces, On Demand Luxe offers a curated collection of authentic Rolex models available for discerning clients worldwide.
A Rich Legacy Built on Water Resistance: From the Oyster Case to Deep-Sea Diving
Revolutionizing the watch industry, Rolex has been a technical masterclass, personifying watchmaking brilliance since 1926, specifically the introduction of the legendary Oyster case, the world’s first waterproof wristwatch case.
Adapting to design innovativeness and technical prowess, with Rolex engineering craftsmanship brilliance, the brand’s long-standing commitment to creating visually stunning pieces has consistently enhanced its design. Rolex has been a mark of durability and toughness, featuring watches that reinforce superior water resistance.
Every Rolex produced today is equipped with water-resistant features that offer comprehensive protection, safeguarding the movement from dust, moisture, and pressure. From everyday elegance to versatile deep-sea diving, Rolex has splendidly displayed its watchmaking prowess, producing models tailored for every lifestyle and aquatic adventure.
Waterproof or Water-Resistant?-Decoding the Terminologies
When discussing watch engineering, it becomes significant to differentiate between “waterproof” and “water resistance.” None of the watches could be considered 100% waterproof, and those extreme conditions could well surpass the most rigorously designed barriers.
Rolex watches, however, have maintained their watchmaking expertise, achieving unparalleled levels of water resistance through meticulous design, rigorous testing standards, and the use of proprietary materials.
Rolex’s modern Oyster cases, for example, are designed to withstand significant water pressure. Standard Oyster Perpetual models typically guarantee water resistance up to 100 meters (330 feet), thus making them a perfect fit for snorkeling and swimming. Professional Rolex models, including the classic Submariner and the flamboyant Sea-Dweller, can endure depths up to 300 meters (1,000 feet) and beyond.
Tailored specifically to fight the rigors of the deep, exceptionally suiting the needs of professional deep-sea divers and marine enthusiasts, they boast incredible capabilities to perform underwater, having been equipped with scintillating features, including screw-down Twinlock and Triplock crown systems and the hermetically sealed case back.
By understanding the specific water-resistance limits of your Rolex, you are ensuring the watch’s longevity, thus guaranteeing yourself optimal performance. It is also advisable to have the watch pressure tested by an authorized Rolex service center, thereby verifying the integrity of the seals, especially if you regularly expose it to water.
At On Demand Luxe, we prioritize educating our clients. Through our dedicated online platform and concierge service, you’ll gain a better understanding of how to select the right water-resistant model based on how and where you plan to wear it.
Are Rolex Watches Waterproof or Water-Resistant?- Understanding Rolex Timepieces
One of the most common misconceptions about Rolex is that these are “waterproof.” In reality, Rolex defines its watches as water-resistant, and this distinction matters. The term waterproof implies that the watch is entirely immune to water under any condition, but that is impossible, both technically and practically, because of the nature of the materials and the wear over time.
Even the most sealed watches can experience water intrusion due to aging, seal failure, external damage, or exposure to high-pressure environments. This is why regular servicing is critical. Gaskets and seals can wear out, which weakens the water resistance of the watch. Rolex recommends periodic pressure testing and servicing to ensure that your timepiece remains secure against water entry.
Rolex Water Resistance Ratings by Model: What You Can and Can’t Do
Rolex watches are available with various levels of water resistance, each rating designed for specific types of use. Here’s a detailed breakdown:
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30 meters (3 ATM / 3 bar): Designed for minimal water contact. Safe for hand washing and rain, but not suitable for swimming or submersion.
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50 meters (5 ATM / 5 bar): Can handle short periods of shallow water exposure, like a brief swim in a pool. However, high-speed water contact, such as shower jets or diving, is not recommended.
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100 meters (10 ATM / 10 bar): Found in many Oyster Perpetual, Datejust, and GMT-Master models. Great for swimming, snorkeling, and water-related activities that don’t involve intense pressure.
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200 meters (20 ATM / 20 bar): Suitable for recreational scuba diving and high-impact water sports. It's not ideal for deep-sea diving with specialized gas mixes.
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300 meters (30 ATM / 30 bar) and above: Professional dive watches such as the Rolex Submariner, Sea-Dweller, and Deepsea fall into this category. These are engineered explicitly for saturation diving and underwater exploration.
At On Demand Luxe, we walk you through these technical aspects—helping you choose models best suited for your lifestyle, whether it’s yacht racing or daily office wear.
The Twinlock and Triplock Crown Systems: Rolex’s Secret to Superior Sealing
To ensure unmatched water resistance, Rolex developed two proprietary crown-sealing mechanisms: Twinlock and Triplock.
Twinlock Crown System

This system uses two sealed zones to protect the internal movement from water: one inside the crown tube and one inside the crown itself. Twinlock crowns are standard on most of Rolex’s non-diving watches like:
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Datejust
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Oyster Perpetual
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Sky-Dweller
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Air-King
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Explorer I and II
These models typically feature water resistance up to 100 meters (330 feet). A quick way to identify a Twinlock crown is by the single or double dot beneath the Rolex logo on the crown.
Triplock Crown System
Built for Rolex’s dive models, the Triplock system adds a third sealed zone, further fortifying the crown’s waterproof capability. The three seals work together to keep moisture and pressure out, even at great depths. Triplock crowns are featured on:
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Submariner (300m water resistance)
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Sea-Dweller (1,220m)
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Deepsea (3,900m)
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Select non-diver models like Daytona, Yacht-Master, and GMT-Master II
Triplock crowns can be recognized by the three dots beneath the Rolex coronet.
Both systems utilize rubber O-rings that compress when the crown is screwed down, creating a watertight barrier. The Triplock system is especially vital for divers or anyone frequently exposed to underwater environments.
How Rolex Achieves Water Resistance: Materials, Design, and Testing
The impeccable water-resistance capabilities of a Rolex are not just a claim. It is a result of meticulous engineering and testing. Fabricating by using high-grade materials, including 904L Oystersteel, 18k gold, and RLX titanium (for the Deepsea Challenge), to create cases that resist corrosion and endure extreme pressure.
Every dive watch undergoes pressure testing in Rolex’s hyperbaric tanks, simulating underwater conditions up to—and sometimes exceeding—the watch’s rated depth. For example, if a Submariner is rated for 300 meters, Rolex tests it at 375 meters to ensure an added safety margin.
Understanding Water Resistance Ratings in Rolex Watches: What Bar, ATM & Meters Mean
Upon exploring the durability of Rolex watches, you find that understanding water-resistant ratings becomes crucial. Terminologies like "bar," "ATM," and meters, often appearing on watch specifications, may seem too technical, but they refer to the amount of pressure a watch can withstand when underwater.
Let’s break it down:
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1 ATM (atmosphere) is roughly equal to 1 bar, and both represent the pressure exerted by water at a depth of 10 meters (around 33 feet).
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1 bar = 100 kPa (kilopascals)
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1 ATM ≈ 101.325 kPa
In the context of watches, ATMs and bars are used interchangeably to measure water resistance. Here, however, Rolex prefers to list water resistance in meters, offering a more intuitive understanding for users.
Understanding the amount of pressure your Rolex can withstand underwater determines how and where you can wear your watch. It's not just about numbers. Defining water resistance by depth places a limit on what you can safely do with your Rolex.
Water Resistance by Depth: What You Can Safely Do with Your Rolex
30 Meters / 3 ATM / 3 Bar
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Activity Level: Basic protection against moisture
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Suitable for: Light rain, hand washing, accidental splashes
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Not ideal for swimming, showering, or any water immersion
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This rating provides minimal protection. Watches rated for 30 meters are designed for everyday wear but not for use in water-based activities.
50 Meters / 5 ATM / 5 Bar
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Activity Level: Light recreational use
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Suitable for: Showering (with caution), washing hands, swimming in shallow water
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It is not ideal for Diving, snorkeling, or intense water exposure
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Although a step up from 30m, a 50 m-rated Rolex should still be kept away from high-velocity water, like jets or diving.
100 Meters / 10 ATM / 10 Bar
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Activity Level: Moderate water resistance
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Suitable for: Swimming, snorkeling, everyday water use
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It is not ideal for Scuba diving or professional marine activities
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This level is standard in Rolex's Oyster Perpetual, Datejust, and Sky-Dweller collections. It allows for reliable performance during surface water sports.
200 Meters / 20 ATM / 20 Bar
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Activity Level: Recreational diving and high-impact water sports
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Suitable for Scuba diving, jet skiing, and snorkeling
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Not ideal for Deep-sea or saturation diving
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This is ideal for most underwater enthusiasts, and Rolex’s professional dive watches offer even greater depths.
300 Meters / 30 ATM / 30 Bar and Beyond
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Activity Level: Professional-grade underwater use
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Suitable for: Deep-sea diving, saturation diving, underwater exploration
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Watches like the Rolex Submariner, Sea-Dweller, and Rolex Deepsea are engineered for extreme aquatic conditions, with water resistance reaching up to 3,900 meters.
Rolex Oyster Case: The Foundation of Water Resistance
The iconic “Oyster” case is at the helm of affairs, laying the foundation of Rolex’s water-resistance innovation. Since its inception in 1926, the remarkable Oyster case has firmly established itself as the world's first waterproof wristwatch case.
Their flamboyant design involves a screw-down bezel, case back, and a winding crown. All are hermetically sealed against the middle case to protect the internal movement from water, dust, and shocks.
Today, Rolex crafts Oyster cases using premium materials like:
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Oystersteel (904L stainless steel)
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18k Gold (Yellow, White, or Everose)
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950 Platinum
This solid architecture ensures that the Perpetual movement inside remains dry, secure, and functional even in challenging environments.
Which Rolex Watches Feature the Oyster Case?
Almost all modern Rolex watches (except the Cellini line) come with the Oyster case and are rated for at least 100 meters of water resistance. Some of these include:
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Rolex Datejust / Datejust II
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Rolex Air-King
Every Rolex is subject to a thorough quality control procedure, including water pressure testing 10% beyond its rated depth or 25% more in the case of dive watches, thus ensuring every watch meets Rolex’s exacting standards before it reaches the consumer.
The Rolex Submariner: A Diving Icon
A heart-throb for every professional diver and marine enthusiast, the iconic Rolex Submariner has changed the world of dive watches forever. Launched in 1954 at the Basel Watch Fair, it was the first commercial wristwatch capable of diving to 100 meters. A significant achievement at the time, the Submariner proved to be a groundbreaking revelation, revolutionizing the world of professional dive watches.
The first commercially available wristwatch capable of withstanding depths of up to 100 meters (330 feet), the Rolex Submariner had already become a guaranteed success, a significant milestone not just for Rolex but for the entire horological community. A pioneering model, the elegant Rolex masterpiece combines rugged sophistication with a subtle, timeless design.
An instant hit among divers, explorers, adventurers, and military professionals, its innovative Oyster case, rotatable bezel, and luminous markers made it the ideal companion for underwater navigation. Over the decades, the Submariner has undergone numerous technological advancements, yet it remains true to its original aesthetics.
Our clients at On Demand Luxe frequently choose the Submariner not only for its aquatic capabilities but also for its enduring design—browse our collection online or schedule a private consultation.
The Rolex Sea-Dweller and Deepsea: Built for Extreme Depths
As the ecosystem of deep-sea exploration advanced and expanded, a paradigm shift occurred in the way Rolex committed to revolutionizing watchmaking designs and craftsmanship. Pushing the boundaries of traditional watchmaking, in 1967, Rolex introduced the Sea-Dweller, which became a horological icon, marking a seismic shift not just to combat but also to challenge the rigors of saturation diving.
A technique well used by professional divers who work in extreme depths for prolonged periods. Traditional dive watches often fail under such conditions, with their crystals dislodging due to pressure differentials during decompression.
To address this, Rolex developed the Helium Escape Valve (HEV), an example of design innovation and masterclass in the world of dive watches; this small yet critical one-way valve allows accumulated helium gas molecules (which enter the watch during prolonged stays in pressurized environments) to safely escape during ascent, preventing damage to the timepiece and ensuring consistent performance under pressure.
Own one of these extreme-depth marvels through On Demand Luxe—our watch experts can guide you to select between Sea-Dweller and Deepsea models based on your diving lifestyle or investment goals.
Current Rolex Sea-Dweller and Deepsea Models:
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Rolex Sea-Dweller: The iconic dive watch is a truly functional choice, a Rolex classic engineered for robustness and durability, built to withstand the rigors of the deep. Water-resistant up to 1,220 meters (4,000 feet), the Sea-Dweller is a robust and functional choice for passionate, recreational, and professional divers. It features a Triplock winding crown, Cerachrom bezel insert, and the iconic Oyster case for maximum durability.
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Rolex Deepsea: A marvel in the world of modern watchmaking, the splendor of the Deepsea makes it a clear winner in the world of luxury yet functional watchmaking. The Deepsea is rated for depths of up to 3,900 meters (12,800 feet), making it the most pressure-resistant mechanical watch in the world.
Its extreme depth capability is made possible by the patented Ringlock System, a unique case architecture that combines a sapphire crystal, a high-performance nitrogen-alloyed steel compression ring, and a titanium case back to evenly distribute the immense pressures found in the ocean's depths.
Amazingly mesmerizing, both models feature professional-grade functionality, making them the most compact and portable choices to adorn your wrist. Showing enduring commitment to style, elegance, precision, and reliability, their designs showcase Rolex’s cutting-edge craftsmanship, producing timeless timepieces best suited for the needs of professional divers.
Time to gear up for an unmatched performance beneath the surface!
How to Maintain the Water Resistance of Your Rolex Watch
Rolex watches have a renowned presence known for their robust construction, excellent craftsmanship, elegance, and finesse. Displaying unmatched water resistance, even the most durable of these Rolex watches require expert maintenance and regular, thorough care.
Maintaining their performance over time, especially when consistency is maintained in everyday habits, environmental exposure, and aging components, can all compromise your Rolex’s ability to repel water effectively.
To help preserve the integrity of your Rolex watch, here are key factors to keep in mind:
1. Avoid Exposure to High Heat
Avoid exposing your Rolex to high heat. Although environments like hot tubs, saunas, and steamy showers don’t involve submersion at great depths, their high temperatures can still impact your watch.
Heat generally deforms the rubber gaskets, which are essential for sealing the watch case and preventing water intrusion. Over time, extreme exposure to heat can cause these gaskets to lose their shape, resulting in reduced water resistance.
2. Exercise Caution with Vintage Rolex Models
Vintage Rolex models need special attention and care. Regular maintenance and care are necessary to keep them in good condition. If you are one of those fans or collectors who adore classic timepieces, be mindful, especially with vintage Rolex watches.
With these models no longer retaining their original water resistance due to the degradation of gaskets and seals over time, extreme caution is necessary when handling vintage Rolex watches.
There are rubber and synthetic components that can lose flexibility, thus failing to maintain an airtight seal. Therefore, all Rolex models, specifically the vintage ones, need to be inspected by authorized Rolex service centers before they are exposed to moisture.
3. Aftermarket Parts and Modifications
Using non-genuine parts can negatively impact the performance of your Rolex watch. Remember, every internal component of your timeless Rolex is precision-engineered and rigorously tested under specific conditions.
Replacing original parts, such as the crystal, crown, or caseback, with non-authentic alternatives can lead to significant degradation, precisely disrupting the watch's pressure-tight seal and thus increasing the risk of water damage. For optimal performance, always use authentic Rolex parts and rely on certified service providers.
4. Always Screw Down the Crown Properly
One of the most common oversights among Rolex owners is forgetting to secure the winding crown after adjusting the time and date. The crown is one of those critical entry points for dust and water. With the Oyster case fitted with protective gaskets, leaving the crown unscrewed would render those gaskets ineffective. Always ensure the crown is screwed back into place, which helps maintain the watch's water resistance.
Why Water Resistance Maintenance Matters
Whether you are an adventurer, an explorer, a dive enthusiast, or a professional diver when considering wearing your Rolex in water, maintaining its water resistance becomes an essential factor that protects not only the watch’s internal movement but also ensures its longevity. Even the experts suggest that every Rolex should be pressure-tested and thoroughly serviced every 3-5 years by an authorized Rolex technician.
As a trusted dealer, On Demand Luxe also offers servicing guidance and access to certified professionals who thoroughly understand Rolex care.
What Can Affect the Water Resistance of a Rolex Watch?
While Rolex watches are built with exceptional craftsmanship, their water resistance can still be compromised by several everyday factors. Here are some common causes of water damage in Rolex timepieces:
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Wear and Tear: Those gaskets could get damaged over time.
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Improperly Screwed Down Crown: Or if the crown remains left open.
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Substantial impacts: Accidental knocks
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Sudden temperature changes (e.g., moving from a cold room to a hot tub)
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Chemical exposure, such as from perfumes, detergents, or pool chlorine
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Saltwater corrosion without proper rinsing afterward
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Unqualified servicing or use of non-genuine parts
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Pressure changes from activities like deep-sea diving without appropriate water resistance ratings
These factors can weaken the seal, allowing moisture to penetrate the watch case.
What Should I Do If Water Enters My Rolex?
If you suspect water has entered your Rolex watch, immediate action is the key to preventing further damage.
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Refrain from using the crown or pressing any other buttons, as this could cause moisture to penetrate the movement further.
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Pull the crown out and stop the movement, thus helping to prevent any further issues with the internal components.
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Place your watch in a dry, upright position with the dial facing up.
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Take it to an authorized Rolex service center or a certified professional watch repair shop right away.
Time here is a critical factor in retaliating. A delayed reaction could lead to rust, corrosion, or any other long-term damage. Only trained professionals have the tools and expertise to properly dry, clean, and reseal your Rolex.
How Can I Tell If My Rolex Has Water Damage?
Early detection of water damage can save your watch from costly repairs. Here are the most common signs that moisture has infiltrated your Rolex:
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Fogging or condensation under the sapphire crystal
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Discoloration or fading of the dial or hands
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Inconsistent timekeeping or the watch stopping entirely
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Visible rust near the crown, dial, or case back
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Bubbling, peeling, or damage on the dial’s surface
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Lume degradation, where the luminous elements no longer glow properly
If you observe any of these symptoms, do not delay servicing. Moisture can severely damage both the aesthetic and functional components of your watch.
Final Thoughts: Rolex Waterproof vs. Water Resistant
A leader in the world of water-resistant luxury watches, this very facet contributed to the exponential growth of the Swiss luxury watch brand. At the helm of affairs with the introduction of the groundbreaking Oyster Case in 1926, Rolex launched models like the iconic Submariner, Sea-Dweller, and Deepsea, built with exceptional water resistance to perform under extreme pressure conditions.
Whether it's recreational swimming or professional diving, these Rolex watches have become trusted companions, always adorning your wrists beneath the surface. However, no watch remains water-resistant forever without maintenance. To preserve your Rolex's waterproof capabilities:
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Do not forget to screw the crown down tightly once the date and time are set.
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The watch should be protected from exposure to harsh, abrasive chemicals and extreme heat conditions.
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Never substitute aftermarket parts.
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A Rolex-certified technician should be chosen for servicing your watch every 3-5 years.
When properly maintained, a Rolex isn’t just a statement piece—it’s a high-performance tool that’s ready for any adventure on land or at sea. At On Demand Luxe, we understand that owning a Rolex is more than a purchase—it’s a legacy. Browse our verified selection of Rolex watches online or visit our Miami headquarters to experience concierge service with international reach.