Every Apple Watch since Series 2 is swim-proof. But not all models are equal for swimmers. Here’s how to choose the right one without overpaying.
Quick Answer
For most lap swimmers: Apple Watch Series 10 is the sweet spot — accurate, fast, and not overkill.
For open water and serious swimmers: Apple Watch Ultra 2 is worth the premium.
If budget is tight: Apple Watch SE (2nd gen) gets the job done for basic tracking.
What to Look For as a Swimmer
Before comparing models, know what actually matters for swimming:
Pool swim accuracy — All modern Apple Watches use accelerometers for pool tracking. Accuracy is similar across models. Set your pool length correctly and you’ll get consistent results.
Open water GPS — This varies more. Ultra 2 has the best GPS. Standard Series models are good but not exceptional for long open water swims.
Battery life — All Apple Watches struggle here compared to Garmin. Plan to charge daily. Ultra 2 gives you more headroom.
Water resistance — WR50 (50m water resistance) is standard on all models. Ultra 2 is rated to 100m and EN 13319 certified for scuba and freediving.
Model Comparison for Swimmers
Apple Watch Ultra 2 — Best for Serious Swimmers
- Titanium case, 100m water resistance
- Best GPS accuracy for open water
- Longest battery life (~36 hours)
- Depth gauge and water temperature sensor
- Price: ~$799
Apple Watch Series 10 — Best All-Rounder
- Thinnest Apple Watch design
- 50m water resistance
- Good accuracy for pool and open water
- Full swim metrics (strokes, pace, SWOLF)
- Price: ~$399
Apple Watch SE (2nd Gen) — Best Budget Option
- Covers all core swim tracking features
- No always-on display, no ECG
- 50m water resistance
- Price: ~$249
What Series Should You Avoid?
Series 6 and older are still functional for swimming, but the battery life has degraded on older devices. If you’re buying new, skip anything before Series 8.
Pairing With a Swim Tracking App
Regardless of which Apple Watch you choose, the native Workout app handles the basic tracking. For workout menu management, split reviews, and training history, apps like SwimBeat add a layer of organization on top.
Bottom Line
Don’t overthink the model. Any current Apple Watch tracks swimming adequately. Spend on Ultra 2 only if you do open water regularly or want a watch that genuinely replaces a Garmin. Otherwise, Series 10 or SE will cover everything you need at the pool.