Can you swim with a smartwatch?

Apple Watch Series 12 tech specs (read Oct 23, 2026): up to 24 hours of normal use, up to 38 hours in Low Power Mode, up to 10 hours of workout tracking; 15 minutes of charging gives up to 12 hours. GPS + Cellular models support 5G (RedCap) and LTE. Siri powered by Apple Intelligence. Apple's notes list iPhone 11 or later on iOS 26 for its watchOS 26 features. Re-read Nov 5, 2026: water resistant to 50 m (swimproof) under ISO 22810:2010, for shallow-water activities like pool or ocean swimming; not for scuba diving, waterskiing or other high-velocity water sports. Pool and open-water swim workouts with stroke detection; depth gauge to 6 m and a water temperature sensor; IP6X dust resistant. Water resistance can diminish over time.

Apple Watch SE 3 tech specs (read Oct 24, 2026): up to 18 hours of normal use, up to 32 hours in Low Power Mode; 15 minutes of charging gives up to 8 hours. GPS + Cellular models support 5G (RedCap) and LTE; data plan required. Siri powered by Apple Intelligence. Requires iPhone 11 or later with iOS 27 or later. Re-read Nov 5, 2026: water resistant to 50 m under ISO 22810:2010, for shallow-water activities like swimming in a pool or the ocean; not for scuba diving, waterskiing, other high-velocity water sports or submersion below shallow depth. Pool and open-water swim workouts. Water resistance isn't permanent and can diminish over time.

Apple Watch Ultra 4 tech specs (read Oct 24, 2026): up to 50 hours of normal use, up to 84 hours in Low Power Mode, up to 18 hours of workout tracking; 15 minutes of charging gives up to 18 hours. Supports 5G (RedCap) and LTE, with cellular/satellite antennas; data plan required. Siri powered by Apple Intelligence. Requires iPhone 11 or later with iOS 27 or later. Re-read Nov 5, 2026: water resistant to 100 m under ISO 22810:2010 (swim, snorkel, scuba, high-speed water sports), not to be used below 40 m; EN13319 recreational scuba diving to 40 m with a compatible third-party app; depth gauge and water temperature sensor; IP6X dust resistant. Apple notes water resistance isn't permanent and can diminish over time.

Google Store tech specs for Pixel Watch 5 (read Nov 5, 2026): Gorilla Glass 5, 5 ATM and IP68. The footnote says the watch is designed to comply with 5 ATM under ISO 22810:2010 and IP68 under IEC 60529 when it leaves the factory, but isn't waterproof; resistance diminishes or is lost over time through wear, repair or damage. It's designed for shallow water, not for activities with water at high velocity or high temperature; accessories aren't water-resistant and liquid damage voids the warranty.

US Galaxy Watch9 page (read Oct 23, 2026): from $379.99; Google Gemini answers questions and organizes tasks by voice. LTE models can use GPS without a paired phone; non-LTE models need a Bluetooth phone connection. Some features need a compatible Samsung Galaxy phone; Bedtime Guidance needs Android 13 or later. No battery hours on the page. Re-read Nov 5, 2026: its comparison table lists Galaxy Watch9 durability as 5 ATM + IP68 / MIL-STD-810H; the footnote on the IP68 rating says water resistant in up to 5 feet of water for up to 30 minutes, and to rinse residue and dry it after it gets wet.

US Galaxy Watch Ultra page (read Oct 24, 2026): from $649.99; battery up to 100 hours in Power Saving mode and up to 48 hours in Exercise Power Saving mode. LTE-enabled, so you can leave your phone at home. Gemini on the watch requires a Google account with Gemini. Compatible with Android 12 or later. Re-read Nov 5, 2026: rated 10 ATM and IP68; the footnote says this is consistent with 10 ATM (up to 100 m of water for up to 10 minutes) and IP68 (up to 6 feet for up to 30 minutes), and to rinse and dry it after it gets wet.