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50m water resistance on Apple Watches

Apple Watch owners often wonder if their devices can handle water.
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50m water resistance on Apple Watches
Foto: Engadget
The essentials
  • Water resistance ratings like 50m are based on pressure tests, not real underwater use.
  • Older models and non-Ultra versions are not suitable for deep water activities.

Apple's water resistance ratings explained

Apple Watch users frequently ask if their devices can survive water exposure. The truth lies in a more detailed explanation. No model is truly waterproof, but many can handle water splashes and shallow water activities. The main measure of water handling is its resistance rating in meters.

Since the Series 2, all Apple Watches have been rated for 50 meters of water resistance. This rating allows for use in activities such as swimming in a pool or the ocean. However, this does not mean the device is suitable for deep diving. The Apple Watch SE and Ultra models also fall into this 50-meter category.

What the numbers really mean

The 50-meter rating is based on laboratory pressure tests. Every 10 meters equates to one atmosphere of pressure. This rating is not a guarantee for underwater use. Factors such as motion and temperature differences can greatly affect performance in real-life scenarios.

A 30-meter rating, for instance, is only suitable for rain and light splashes. This is typical among smartwatches and traditional timepieces. Apple clearly labels its products as water-resistant, not waterproof, to set accurate user expectations.

Ultra models and deeper use

The Apple Watch Ultra series carries a 100-meter water resistance rating. This makes the model ideal for activities like snorkeling or scuba diving. However, these devices are still not suitable for deep-sea exploration. The difference in depth capacity is crucial for users involved in intense water sports.

Water resistance does not remain constant indefinitely. Frequent exposure to water, soap, or physical damage can reduce its effectiveness. Apple advises against prolonged submersion, even when the Water Lock feature is enabled.

It is also important to consider the bands used with the Apple Watch. Some materials, such as stainless steel or leather, are not suitable for water exposure. This can affect the overall water resistance of the device.

Apple's Water Lock feature is essential for aquatic use. It prevents accidental screen touches from water and helps remove moisture by vibrating the device after a workout. This feature is activated automatically during water-based workouts or can be turned on manually.

As long as users avoid deep-sea diving and follow recommended guidelines, they can use their Apple Watch safely in water. Understanding the limits of water resistance ensures a better experience in aquatic environments.

For most typical water activities, such as swimming in a pool or ocean, the Apple Watch Series 2 and newer models are appropriate. This includes all Apple Watch SE models, which also carry the 50-meter rating.

The Water Lock feature is a key component in maintaining functionality during water workouts. It not only prevents false inputs but also helps clear liquid from the interior of the device. This ensures the device remains functional and reliable after exposure to water.

Apple's guidance emphasizes the importance of understanding the limitations of water resistance. Users should be aware that no device is fully waterproof and that resistance levels can change over time based on usage and conditions.

The exposure

Bands and accessories may not be water-resistant. Stainless steel and leather bands should be removed before water exposure.

Frequently asked questions

Is the Apple Watch waterproof?

No, Apple Watches are not waterproof. They are water-resistant up to 50 meters for most models.

Can I swim with my Apple Watch?

Yes, Apple Watch Series 2 and newer can handle shallow water activities like pool or ocean swimming.

What is a 50m water resistance rating?

A 50m rating means the watch can resist water pressure equivalent to 50 meters under lab conditions, but not full underwater immersion.

Based on reporting by Engadget, compiled by the Tradingbird newsroom. Published 01 Aug 2026, 15:36.
Topics: Hardware · Wearables

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