Why Choose a Waterproof Smartwatch?

In the UK, smartwatches have become more than just fitness gadgets—they’re everyday essentials. From tracking workouts, monitoring health, receiving notifications, to resisting water while swimming, running in the rain, or even diving, waterproof smartwatches are a must-have in 2025.

But not all are made equal. Some are designed for casual swimming, while others can withstand deep-sea diving and rugged adventures.

At Liibe.com, we’ve handpicked the 5 best waterproof smartwatches in the UK for 2025—covering different budgets, lifestyles, and needs.

🏆 Top 5 Waterproof Smartwatches in the UK (2025)

1. Apple Watch Ultra 2 GPS + Cellular Smartwatch (49mm)

The Apple Watch Ultra 2 is Apple’s most rugged and advanced smartwatch, designed for adventurers, athletes, and divers.

Key Features:

  • Water Resistant up to 100m – suitable for swimming, surfing, and recreational diving

  • 49mm Always-On Retina display with exceptional brightness

  • Precision dual-frequency GPS for accurate tracking

  • Advanced health monitoring: ECG, blood oxygen, heart rate, sleep tracking

  • Up to 36-hour battery life (72 hours in low power mode)

  • Cellular connectivity for calls & music without your phone

Why We Recommend It:
If you’re an iPhone user who wants the ultimate waterproof smartwatch, this is unbeatable. Perfect for triathletes, divers, and anyone who loves pushing limits.

2. Garmin Fenix 8 Smartwatch (47mm AMOLED)

Garmin has always been the go-to for serious athletes, and the Fenix 8 takes things to the next level.

Key Features:

  • 10 ATM water resistance – ideal for swimming, snorkelling, and extreme sports

  • AMOLED touchscreen for sharp, bright visuals

  • Multisport tracking – running, cycling, swimming, hiking, triathlon modes

  • Built-in LED flashlight for outdoor adventures

  • Advanced health & training metrics including recovery insights, VO2 max, sleep, and HRV tracking

  • Exceptional battery life up to 16 days in smartwatch mode

Why We Recommend It:
The best choice for adventurers and outdoor enthusiasts. Garmin’s unmatched GPS, rugged durability, and multi-zone training support make it a powerhouse.

3. Samsung Galaxy Watch7 (40mm, Cream)

Stylish yet powerful, the Samsung Galaxy Watch7 blends smart AI features with strong water resistance.

Key Features:

  • 5 ATM water resistance + IP68 rating (great for pool swimming)

  • Galaxy AI integration for smarter health coaching

  • Fitness tracking: step count, heart rate, sleep analysis, SpO2

  • Slim, lightweight design with vibrant AMOLED display

  • Bluetooth connectivity, notifications, and app support

  • Backed by a 3-year warranty

Why We Recommend It:
Best for Android users who want a fashionable, reliable smartwatch that works in the pool and gym while staying connected.

4. Fitbit Versa 4 Smartwatch (Beet Copper Rose)

For budget-conscious buyers, the Fitbit Versa 4 provides excellent waterproofing and fitness tracking at an affordable price.

Key Features:

  • Water resistant up to 50m – safe for swimming and showers

  • Built-in GPS for outdoor workouts

  • 6+ day battery life with fast charging

  • Tracks heart rate, sleep stages, calories, stress, and workouts

  • Compatible with iOS and Android

  • Lightweight and comfortable for all-day wear

Why We Recommend It:
Great for everyday users and casual swimmers who want value for money without sacrificing waterproof reliability.

5. Withings Steel HR Sport Smartwatch (Black)

A unique hybrid option, the Withings Steel HR Sport combines analog style with modern waterproof features.

Key Features:

  • Water resistant up to 50m – swim-proof design

  • Tracks heart rate, GPS workouts, calories, and VO2 max

  • Stylish hybrid design with analog hands + small OLED display

  • Up to 25 days of battery life (best in class)

  • Works with iOS & Android health apps

Why We Recommend It:
Perfect for those who want a classic-looking watch that’s also a modern waterproof fitness tracker. Stylish yet functional.

📖 Buying Guide: How to Pick the Right Waterproof Smartwatch

When choosing your smartwatch, here’s what matters most:

  1. Water Resistance Rating

    • 5 ATM (50m): Swimming, pool workouts

    • 10 ATM (100m): Snorkelling, watersports

    • Dive Certified (like Apple Ultra 2): Scuba diving

  2. Battery Life

    • Shorter on advanced models (Apple Ultra 2, Galaxy Watch7)

    • Longer on Garmin and Withings (up to 25 days)

  3. Ecosystem Compatibility

    • Apple Watch → iPhone only

    • Samsung → Android optimized

    • Fitbit & Garmin → Both iOS and Android

  4. Fitness & Health Features

    • Garmin → best for advanced athletes

    • Fitbit → budget-friendly daily health tracking

    • Withings → minimal yet effective

  5. Style & Comfort

    • Modern design (Apple, Samsung)

    • Rugged outdoor (Garmin)

    • Classic analog (Withings)

❓ FAQs About Waterproof Smartwatches

Q1: Can I shower with a waterproof smartwatch?
Yes, most models (5 ATM+) are shower-safe. Avoid hot water & saunas.

Q2: Which smartwatch is best for swimming?
Garmin Fenix 8 and Apple Watch Ultra 2 are top performers for swimming and open-water activities.

Q3: Do waterproof smartwatches track swimming metrics?
Yes, most track laps, strokes, SWOLF, and calories burned in water.

Q4: Which one lasts longest on battery?
Withings Steel HR Sport offers 25 days, while Garmin lasts up to 16 days.

Q5: Are waterproof and water-resistant the same?
No. Waterproof smartwatches can withstand immersion; water-resistant models only resist splashes.

🎯 Final Thoughts

Choosing the right waterproof smartwatch depends on your lifestyle:

At Liibe.com, we believe the best smartwatch is the one that fits your lifestyle, your workouts, and your adventures—while keeping you connected in and out of the water