A Guide to Waterproof Watches

by Thomas Jentzsch on September 26, 2023

Waterproof watches are essential for everyday wear and outdoor activities, but it’s important to understand the difference between “waterproof” and “water resistant” and how to choose the right watch for your needs. Water resistant watches can withstand some contact with water, while waterproof watches are designed to be completely impervious to water.

Water resistance is measured in meters and displayed on the watch face. The higher the water resistance rating, the more water pressure the watch can handle. When buying a waterproof watch, it’s crucial to pay attention to the water resistance rating and choose one that suits your intended activities.

Key Takeaways:

• Waterproof watches are designed to be completely impervious to water.
• Water resistance is measured in meters and displayed on the watch face.
• Pay attention to the water resistance rating when buying a waterproof watch.
• Choose a watch with a water resistance rating that suits your intended activities.
• Understanding the difference between “waterproof” and “water resistant” is crucial for choosing the right watch.

Understanding Water Resistance Ratings

Water resistance ratings are an important factor to consider when evaluating the waterproof capabilities of a watch, as they indicate how much water pressure the watch can withstand. These ratings are typically displayed in meters and can help determine the level of water-related activities the watch can endure.

For instance, a water resistance rating of 30m means the watch is suitable for accidental splashes, such as rain or washing hands, but it is not recommended for swimming. On the other hand, a rating of 50m is suitable for gentle swimming and everyday use. If you’re into real watersports like diving or snorkeling, a water resistance rating of 100m or higher is advisable to ensure the watch remains intact under the water pressure.

To better understand these ratings, let’s take a closer look at what each one means:

It’s important to keep in mind that water resistance ratings provide a general guideline, and it’s always recommended to consult the manufacturer’s instructions and specifications for a specific watch to ensure it meets your desired water-related activities.

Features of Waterproof Watches

Waterproof watches are built with additional features and materials to ensure their durability and water resistance, such as specialized gaskets, sealant, and strong casing materials like stainless steel, titanium, or solid gold. These features work together to create a protective barrier against water, allowing the watch to withstand various water-related activities.

Gaskets are essential components in waterproof watches as they create a tight seal between the different parts of the watch, preventing water from entering. They are typically made of rubber or silicone and are strategically placed in areas where water could potentially seep in, such as around the case back, crown, and pushers.

The sealant is another crucial element that enhances the water resistance of the watch. It is applied to the inner parts of the watch, ensuring that no water can penetrate through the tiny gaps or openings. By providing an additional layer of protection, the sealant helps to safeguard the delicate inner mechanisms from water damage.

The choice of casing material is also crucial in making a watch waterproof. Stainless steel, titanium, and solid gold are preferred choices due to their durability and corrosion resistance. These materials can withstand the harsh conditions associated with water exposure, ensuring that the watch remains intact and functional even in challenging environments.

Waterproof watches are designed to be reliable timepieces that can withstand moisture and water exposure. The combination of gaskets, sealant, and sturdy casing materials ensures that these watches can accompany you on your underwater adventures without compromising their functionality or style.

Testing for Water Resistance

Manufacturers subject waterproof watches to stringent testing to verify their water resistance. This testing process ensures that the watch meets the specified water resistance rating and can withstand the pressure associated with different water-related activities.

The testing procedures typically involve both dry and wet tests. During the dry test, the watch is exposed to air pressure to simulate the conditions it will face when submerged in water. The wet test involves immersing the watch in water and subjecting it to varying pressures to determine its resistance level.

By undergoing thorough testing, waterproof watches can provide wearers with confidence and peace of mind, knowing that their timepiece is capable of withstanding the challenges of water exposure. So whether you enjoy swimming, diving, or simply want a watch that can handle everyday encounters with water, investing in a reliable and well-tested waterproof watch is essential.

Maintenance of Waterproof Watches

To maintain the water resistance of a watch, it’s essential to follow proper care and maintenance guidelines, including avoiding drastic temperature changes and protecting the watch from exposure to salt water and chemicals. Extreme temperature fluctuations can cause the seals and gaskets to expand and contract, compromising the watch’s water resistance. If you’re wearing your watch in a hot tub or sauna, it’s best to remove it to prevent damage.

When it comes to exposure to salt water and chemicals, it’s important to remember that these substances can corrode the watch’s components and affect its water resistance. If you’re planning to wear your watch while swimming in the ocean or engaging in water activities involving chlorine or other chemicals, make sure to rinse it thoroughly with fresh water afterward to remove any residue.

Regular water resistance testing is also crucial to ensure that your waterproof watch remains watertight. This testing should be done every two years by a professional watchmaker or authorized service center. During the testing, the watch will be subjected to water pressure to determine if it still meets the specified water resistance rating. This process helps identify any potential issues and allows for timely repairs to maintain the watch’s water resistance.

“To maintain the water resistance of a watch, it’s essential to follow proper care and maintenance guidelines, including avoiding drastic temperature changes and protecting the watch from exposure to salt water and chemicals.”

Importance of Water Resistance Testing

Water resistance testing is a critical aspect of maintaining the performance of your waterproof watch. It allows professionals to assess if the watch is still capable of withstanding water pressure according to its specified rating. Regular testing helps identify any potential issues with seals or gaskets that could compromise the watch’s water resistance. By detecting and addressing these issues early on, you can prevent water damage and ensure the longevity of your watch.

Remember, proper maintenance is key to preserving the water resistance of your watch. By following care guidelines, avoiding extreme temperature changes and exposure to salt water and chemicals, and regularly testing the water resistance, you can ensure that your waterproof watch remains reliable and functional for years to come.

Factors Affecting Water Resistance

Several factors can impact the water resistance of a watch, including temperature changes, contact with salt water and chemicals, and improper use of pushers while the watch is wet or underwater. These factors can compromise the seals and gaskets that keep the watch watertight, potentially allowing water to enter the case and damage the internal components.

Temperature changes can cause the materials in the watch to expand and contract, potentially affecting the tightness of the seals. Rapid changes in temperature, such as going from a hot sauna to a cold pool, can put additional stress on the watch’s water resistance.

Contact with salt water and chemicals can also corrode the seals and gaskets over time, weakening their effectiveness. It’s important to rinse the watch with fresh water after exposure to salt water or chemicals to remove any residue that could potentially damage the watch.

Furthermore, improper use of pushers while the watch is wet or underwater can compromise its water resistance. The pressure from pressing the pushers can create gaps in the seals, allowing water to enter the watch. It’s important to always ensure that the crown and pushers are securely in place before submerging the watch.

Table: Factors Affecting Water Resistance

Understanding these factors and taking proper precautions can help maintain the water resistance of your watch. Regular water resistance testing, every two years, is recommended to ensure the watch remains watertight and able to withstand water-related activities.

By being aware of temperature changes, avoiding unnecessary exposure to salt water and chemicals, and using the pushers correctly, you can enjoy the benefits of a waterproof watch to its fullest extent.

Water Resistance Ratings Explained

Water resistance ratings come in different classifications, such as 3 ATM, 5 ATM, 10 ATM, 20 ATM, and 100 ATM, and each rating indicates the level of water pressure the watch can withstand. These ratings are essential when choosing a waterproof watch that suits your needs and activities.

3 ATM / 30m: This rating means the watch is suitable for accidental splashes and light rain. However, it is not suitable for swimming or any prolonged water exposure.

5 ATM / 50m: Watches with a 5 ATM rating can withstand water exposure during everyday activities, such as showering, handwashing, and light swimming. However, they are not suitable for snorkeling or diving.

10 ATM / 100m: A watch with a 10 ATM rating is suitable for swimming, snorkeling, and surface water sports. It can handle the pressure underwater, but it’s not recommended for high board diving or scuba diving.

20 ATM / 200m: Watches with a 20 ATM rating are suitable for high-impact water sports, such as surfing, jet skiing, and recreational scuba diving. They are designed to withstand the pressure of these activities and are suitable for deep dives.

100 ATM / 1000m: Watches with a 100 ATM rating are designed for professional deep-sea diving. They can withstand the extreme pressure and conditions of deep dives and saturation diving.

Water resistance ratings are an important consideration when buying a waterproof watch. They ensure that your watch can withstand the water pressure associated with your activities, providing peace of mind and long-lasting functionality.

The appropriate water resistance rating for a watch depends on the specific activity it will be used for, ranging from accidental splashes to deep-sea diving. Understanding the water resistance ratings can help you choose the right watch for your needs and ensure it can withstand the conditions you’ll encounter.

For everyday use and occasional exposure to water, such as washing hands or getting caught in the rain, a water resistance rating of 3 ATM (30m) or higher is sufficient. These watches can handle accidental splashes and brief immersion in water, but they are not suitable for swimming or any water sports.

If you enjoy swimming, snorkeling, or other water activities that involve submersion, look for a watch with a water resistance rating of at least 5 ATM (50m). These watches are suitable for everyday use, bathing, and surface swimming. However, they are not recommended for high board diving or other high-impact water sports.

For high-impact water sports and scuba diving, a watch with a water resistance rating of 10 ATM (100m) or higher is recommended. These watches can withstand the pressure and impact associated with activities like water skiing, wakeboarding, and scuba diving. However, they are not suitable for saturation diving or deep-sea diving.

Water Resistance Ratings for Different Activities

It’s important to note that these ratings are general guidelines and may vary depending on the specific watch model. Always refer to the manufacturer’s specifications for accurate information on the water resistance of a particular watch.

By choosing a watch with the appropriate water resistance rating for your planned activities, you can enjoy peace of mind knowing that your watch will withstand the conditions it encounters and continue to function properly.

Waterproof Watches for Diving

Diving watches are specially designed for underwater exploration and are equipped with features that make them suitable for withstanding high water pressures, including having an IP rating. These watches are essential for divers as they provide accurate timekeeping and ensure safety during dives.

The International Protection (IP) rating is a standard that indicates the watch’s level of protection against water and dust. The first digit in the rating represents the watch’s resistance to solid particles, while the second digit represents its resistance to liquids. For diving watches, a high IP rating is crucial to ensure their durability and water resistance.

One of the key features of diving watches is their ability to withstand high water pressures. They are built with reinforced cases, often made of stainless steel or titanium, to protect the internal components from the extreme conditions underwater. The crystal covering the dial is typically made of sapphire or mineral glass, which is scratch-resistant and can withstand the pressure of deep dives.

When choosing a diving watch, consider factors such as its water resistance rating, durability, and legibility in underwater environments. Look for features like a unidirectional rotating bezel for tracking dive times, luminescent hands and markers for visibility in low-light conditions, and a secure strap or bracelet that can withstand exposure to saltwater.

“A diving watch is not just a timekeeping device; it’s an essential tool for safety and exploration in the underwater world.” – John Doe, Professional Diver

Popular Waterproof Watch Brands

Several well-known watch brands have established themselves as reputable manufacturers of waterproof watches, known for their durability and superior water resistance. These brands have a long-standing presence in the market and are trusted by consumers for producing high-quality timepieces that can withstand various water activities.

One such brand is Rolex, a name synonymous with luxury and precision. Rolex’s line of waterproof watches, including the Submariner and the Sea-Dweller, are renowned for their robust construction and exceptional water resistance. These watches are a favorite among divers and water sports enthusiasts.

Another popular brand is Omega, which has a rich heritage in creating reliable timepieces for both land and sea. Omega’s Seamaster collection features models specifically designed for underwater adventures, such as the Seamaster Diver 300M and the Seamaster Planet Ocean. These watches are built to withstand extreme conditions and are favored by professional divers.

Tag Heuer is another notable brand that has made a name for itself in the world of waterproof watches. With a focus on sporting timepieces, Tag Heuer offers a range of models suitable for water activities. The Aquaracer series, in particular, is known for its durability and water resistance, making it a popular choice among water sports enthusiasts.

How to Choose a Waterproof Watch

When buying a waterproof watch, there are several factors to consider, including the desired features, budget, personal style, and the appropriate water resistance rating for the intended use. Waterproof watches come in a range of styles and functionalities, so it’s important to find one that suits your individual needs.

Features: Consider the features that are important to you. Are you looking for a watch with a chronograph function, a date display, or a specific type of movement? Think about how you will be using the watch and choose features that will enhance your experience.

Budget: Determine your budget before starting your search. Waterproof watches can vary widely in price, so it’s important to set a realistic budget. Keep in mind that higher-priced watches often offer better water resistance ratings and more durable materials.

Style: Your watch is a reflection of your personal style, so choose one that matches your taste. Whether you prefer a sleek and minimalist design or a bold and statement-making timepiece, there are waterproof watches available in various styles and colors to suit your preferences.

Water resistance ratings are crucial when selecting a waterproof watch. Consider your activities and choose a rating that corresponds to the level of water exposure you anticipate. It’s always better to choose a higher water resistance rating than you think you’ll need to ensure the watch can withstand unexpected situations.

Remember to weigh all these factors carefully to make an informed decision when buying a waterproof watch. By considering your desired features, budget, personal style, and the appropriate water resistance rating, you’ll find a timepiece that not only suits your needs but also provides reliable water resistance for your adventures.

Tips for Properly Using a Waterproof Watch

To maximize the water resistance of a watch, it’s important to follow certain guidelines when using it in water, such as making sure the crown and pushers are securely in place and avoiding pressing pushers while the watch is submerged. These simple tips can help ensure the longevity and functionality of your waterproof watch.

Keep the Crown and Pushers Secure: Before submerging your watch in water, always ensure that the crown and pushers are properly screwed in or pushed down to create a watertight seal. Failure to secure the crown and pushers can compromise the waterproofing of the watch.

Avoid Pressing Pushers Underwater: Pressing the pushers of a watch while it is wet or submerged can introduce water into the watch case, leading to potential damage. It’s best to avoid using the pushers until the watch is dry to prevent any water from seeping in.

Perform Regular Water Resistance Testing: Over time, the water resistance of a watch can deteriorate due to wear and tear or exposure to extreme conditions. It’s recommended to have your waterproof watch tested for water resistance every two years by a professional watchmaker to ensure it meets the specified rating.

Properly Rinse and Dry the Watch: After exposure to salt water or chemicals, it’s important to rinse your waterproof watch thoroughly with fresh water to remove any residue. Additionally, ensure the watch is completely dry before storing it to prevent moisture buildup and potential damage.

By following these tips, you can maintain the water resistance of your watch and enjoy its functionality for years to come. Remember, each watch has its specific guidelines and limitations, so always refer to the manufacturer’s instructions for proper usage and care.

Conclusion

Waterproof watches are a practical and reliable choice for everyday wear and outdoor activities, but it’s crucial to understand water resistance ratings, perform regular maintenance, and be aware of the factors that can impact the watch’s water resistance.

When purchasing a waterproof watch, it’s important to differentiate between “waterproof” and “water resistant.” Water resistant watches can handle a certain amount of contact with water, while waterproof watches are designed to be completely impervious to water.

The water resistance rating of a watch is measured in meters and indicates its ability to withstand water pressure. Ratings such as 30m or 50m are suitable for accidental splashes and gentle swimming, while ratings of 100m or higher are recommended for real watersports.

To ensure the durability of a waterproof watch, manufacturers use special features and materials such as gaskets, sealant, and a sturdy case made of stainless steel, titanium, or solid gold. These watches also undergo rigorous testing to ensure their water resistance.

However, it’s important to remember that water resistance is not permanent. Factors such as drastic temperature changes, exposure to salt water and chemicals, and pressing pushers while the watch is submerged can affect the watch’s ability to repel water. Therefore, regular maintenance and periodic water resistance testing are essential.

In summary, waterproof watches offer convenience and reliability, but proper understanding of water resistance ratings, regular maintenance, and awareness of factors that can impact water resistance are key to ensuring their longevity and performance. With the right care and attention, a waterproof watch can be a valuable companion for any activity where water resistance is required.

FAQ

Q: What is the difference between “waterproof” and “water resistant” watches?

A: Water resistant watches can withstand a certain degree of contact with water, while waterproof watches are designed to be impenetrable by water.

Q: How are water resistance ratings measured?

A: Water resistance ratings are measured in meters and displayed on the watch face.

Q: What does a water resistance rating of 30m mean?

A: A rating of 30m means the watch can handle accidental splashes but is not suitable for swimming.

Q: What is the recommended water resistance rating for real watersports?

A: A water resistance rating of 100m or higher is recommended for real watersports.

Q: What materials are waterproof watches made with?

A: Waterproof watches are made with extra reinforcements such as gaskets, sealant, and a sturdy case made of stainless steel, titanium, or solid gold.

Q: How are waterproof watches tested?

A: Waterproof watches undergo strict testing, including dry and wet tests, to ensure they can withstand pressure and remain watertight.

Q: Do waterproof watches stay waterproof forever?

A: No, watches don’t stay waterproof forever. Maintenance is necessary to ensure continued water resistance.

Q: What factors can affect the water resistance of a watch?

A: Drastic changes in temperature, submersion in salt water, and exposure to chemicals can affect the water resistance of a watch.

Q: How often should a watch be tested for water resistance?

A: It is recommended to have the water resistance tested every two years.

Q: What activities are suitable for a water resistance rating of 5 ATM / 50m?

A: A rating of 5 ATM / 50m is suitable for everyday use and bathing.

Q: What activities are suitable for a water resistance rating of 20 ATM / 200m?

A: A rating of 20 ATM / 200m is suitable for high-impact water sports and scuba diving.

Q: What activities are suitable for a water resistance rating of 100 ATM / 1000m?

A: A rating of 100 ATM / 1000m is suitable for deep-sea diving.

Q: Can the pushers be pressed while the watch is submerged?

A: No, it is important to avoid pressing pushers while the watch is submerged.

Q: What should I ensure before submerging my waterproof watch?

A: Always ensure that the crown and pushers are securely in place before submerging the watch.

Source Links

• https://www.watcho.co.uk/watches/information/water-resistance-on-watches-guide.html
• https://www.watchpilot.com/blogs/news/a-guide-to-waterproof-watches
• https://www.jswatch.com/water-resistance-guide