Are you a professional swimmer or a diver who simply wants to enjoy the pleasures of being underwater? To explore the ocean depths or the mountains, you need the best smartwatch that is as waterproof as possible.
However, it is a real headache to determine which model stands out over another. New releases come out every year. And it is also essential that the smartwatch you are looking for suits you. That is why, to better guide you, here is a small ranking that lists the most popular models at the moment.

Specifications
- Dimensions: 51 x 51 x 14.9 mm
- Screen: Antireflective, MIP transflective 280 x 280 pixels
- Weight: 96g (case only: 68g)
- Water resistance: 10 ATM
- Battery life: up to 28 days on battery and 37 days with solar capture
Whether you are diving in the most challenging underwater depths, trail running in a desert on the other side of the world, or cycling in difficult weather conditions, the Garmin fenix 7X Pro Solar will not disappoint you. It is the best fully equipped waterproof smartwatch, and it is rated at 10ATM. So, you can take it almost anywhere—it can withstand drops, dust, and immersion.
Especially since it offers advanced health monitoring features. It’s an excellent way to keep an eye on your oxygen saturation levels when you’re at high altitudes or underwater. Among its other options, there are also multi-GNSS tracking and maps for quick navigation.
Although it is expensive, it is special. This smartwatch extends its battery life by recharging itself. And it does this by being exposed to daylight. Its autonomy then lasts for several weeks.
Pros:
Cons:
- Compass, altimeter, and sophisticated mapping integrated
- Solar charging
- Massive design not suitable for daily use
- Quite heavy on the wrist
Samsung Galaxy Watch Active 2, A Waterproof And High-end Design Watch

Specifications
- Dimensions: 44.0 x 44.0 x 10.9 mm
- Screen: Super AMOLED 360 x 360 pixels
- Weight: 42 g
- Waterproof: 5ATM
- Battery life: Up to 131 hours in normal mode and over 60 hours in intensive mode
Then, people who are looking for the same features as those offered by the Garmin fenix 7X Pro Solar can turn to the Galaxy Watch Active 2. This smartwatch can withstand dust, dirt, and sand. Then, it resists very well to immersion up to a maximum depth of 1.5m underwater for 30 minutes. Rated 5ATM and IP68, this small accessory is lighter than a Garmin and also more stylish on the wrist.
Whether you accidentally drop it into the pool or intentionally wear it while exercising outdoors, it will always function. Your SAMSUNG Galaxy Watch Active2 will be of great use to you. Its digital dial makes navigating through menus filled with options easy. And this smartwatch can connect to almost any Android phone.
Pros:
Cons:
- Delivered with the Bixby voice assistant
- Capable of tracking workouts, heart health, and sleep
- Too light
- Quite fragile
The Apple Watch Ultra: Best Outdoor Smartwatch

Specifications
- Dimensions: 14.4 x 44 x 49 mm
- Screen: Retina LTPO OLED with a resolution of 502 x 410 pixels
- Weight: 61.3 g
- Waterproof: 10 ATM, equivalent to 100 meters depth
- Battery life: 36 hours in intensive use and 40 hours in power-saving mode
The robust Apple Watch Ultra is classified as WR100. It offers water resistance twice that of the Series 8 and Watch SE. That’s why it’s the best waterproof watch there is. Especially since it’s suitable for high-speed water sports such as kitesurfing, wakeboarding, and jet skiing.
The Apple Watch Ultra also complies with the international standard EN 13319 for computers and dive gauges. Therefore, it is the ideal watch for ocean professionals. This is thanks to its depth gauge and water temperature sensor. It still operates at depths of up to 130 feet. And this model exceeds the IP6X dust protection rating of the Series 8. With MIL-STD 810 H certification, it’s much sturdier than other Apple Watches. Its 2,000-nit screen is very bright and easy to read in direct sunlight.
Pros:
Cons:
- Very robust and resistant to water, dust and shock
- Customizable action button
- The button on the side may sometimes irritate the skin, if there is direct contact.
- Very high price
Polar Grit X: A Competition-Ready Smart Watch

Specifications
- Dimensions: 47 x 47 x 13 mm
- Screen: color touch with permanent display resolution 240 x 240 pixels
- Weight: 64 g, 44 g without the strap
- Waterproof: WR100, up to 100 m
- Battery life: 1 month in normal watch mode and 1 week in daily use
As with the Apple Watch Ultra, the Polar Grit X is also considered the best smartwatch in the field of Triathlon, as it is waterproof up to 328 feet or 10 ATM. It can be safely worn in the pool or open water. And it offers distinct swimming profiles for these two types of activities. It recognizes the different swimming strokes, including freestyle, backstroke, breaststroke, and butterfly. And she can track your heart rate underwater. Additionally, she records measurements such as pace, distance, strokes, swimming speed, and SWOLF very accurately.
If you are a professional athlete, the Polar Grit X is an excellent choice. It is designed for swimmers, long-distance runners, alpine skiers, hikers, and mountain bikers. This multisport GPS watch offers superior battery life compared to the Apple Watch Ultra, with similar durability.
Pros:
Cons:
- Track your performance during ascents and descents on slopes.
- Provides training advice.
- No smartwatch functions apart from notifications.
- High price.
HUAWEI WATCH Fit 2: A Beautiful Waterproof And Cheap Watch

Specifications
- Dimensions: 3.35 x 4.6 x 1.08 cm
- Screen: 1.74-inch AMOLED
- Weight: 26 g
- Waterproof: 5ATM (up to 50 meters)
- Battery life: 10 days in normal mode and 7 days in active GPS mode
In 5th place, we have the Huawei Watch Fit 2, which resembles a fitness tracker. However, one should not be fooled by its appearance. It is a device with very good waterproofing, just like the Watch GT 3, GT Runner, and the Watch 3.
Equipped with a pretty design and a 1.74-inch AMOLED touchscreen, it seems ordinary. However, it is a smartwatch capable of tracking open water and pool swimming. It can accurately count the number of laps, calories, distance, speed, SWOLF, and swim cadence of its user. However, the collected data is primarily stored in Huawei’s companion application.
There is no third-party application for swimmers. And it needs to be linked with a Huawei or Android phone rather than with an iPhone. This way, you get notifications, Bluetooth calls, and a built-in music player.
Pros:
Cons:
- Ability to take calls by activating Bluetooth
- Responsive and easy-to-read display
- No NFC charging
- The software remains restrictive for users not belonging to the Huawei network
Garmin v-vofit jr. 3: The Best Watertight Smart Watch For Children

Specifications
- Dimensions: 21 x 1.3 x 2.1 cm
- Screen: LCD
- Weight: 25 grams
- Waterproof: 5 ATM
- Battery life: 1 year without recharging
The little ones can also wear a waterproof smartwatch on their wrist, the Garmin vívofit jr. 3 is the best watch that will certainly suit them. This smartwatch may seem uninteresting because its design is very simple. However, it is the perfect accessory for children. Not to mention the fact that it is available in several versions.
If your child is a fan of Marvel and Disney characters, they can proudly sport their watch at the pool or beach. Equipped with a bright multi-faced screen and a range of fun patterns, it’s a playful yet very practical accessory. In addition to being waterproof, this watch monitors their steps, their minutes of activity, and their sleep.
And parents can set up emergency contacts on it. This type of smartwatch will therefore help your children develop healthy habits.
Pros:
Cons:
- Affordable smartwatch
- Contains a few games for children
- Quickly becomes unsuitable as the child grows
- Lacks color options
Garmin Venu Sq 2: The Most Durable Waterproof Smart Watch

Specifications
- Dimensions: 0.11 x 4.06 x 3.7 cm
- Screen: 1.41-inch AMOLED
- Weight: 38 grams
- Water resistance: 5 ATM
- Battery life: 11 days in normal mode, 26 hours in active GPS mode
Finally, with a water resistance of 5ATM, the Garmin Venu Sq 2 is the latest watch featured in this ranking. But it has many strengths. It offers over 25 integrated GPS profiles for swimming in the pool and other aquatic activities such as SUP and rowing. If the screen of the Vivoactive 4 is more visible in bright sunlight, the one on the Venu Sq 2 will allow you to see your swimming settings without any problem.
This is particularly the case for underwater heart rate, type of stroke, and SWOLF. The Venu Sq 2 has excellent battery life. It’s the best smartwatch to choose if you care most about the charging duration of your waterproof fitness tracker. During tests, it turns out to last for about nine days.
Pros:
Cons:
- Lightweight and stylish design for a Garmin
- Large AMOLED screen
- Does not track ascent steps when climbing a slope
- Preloaded workout sessions are not animated