Best Apple Watch for 2025

Apple Watch Series 10 Apple Watch Ultra 2 Apple Watch SE (2nd Gen) Shape Square Square Rectangular Watch size 42mm, 46mm 49mm 40mm, 44mm Materials, finishes Aluminum, titanium Titanium Aluminum, Midnight, Starlight, Silver Display size, resolution 42mm: 1.65-inch OLED 446 x 374 pixels; 46mm: 1.81-inch 496 x 416 pixels 1.91-inch, 502 x 410-pixel OLED 40mm: 324 x 394, 44mm: 368 x 448 Dimensions 42mm: 42 x 36 x 9.7mm; 46mm: 46 x 39 x 9.7mm 44mm x 49mm x 14.4mm 40mm: 40 x 34 x 10.7 mm, 44mm: 44 x 38 x 10.7 mm Weight 42mm (Wi-Fi): 30 g; 42mm (cellular): 29.3 g; 42mm (titanium): 34.4 g; 46mm (Wi-Fi): 36.4 g; 46mm (cellular): 35.3 g; 46mm (titanium): 41.7 g 61.4g 40mm GPS: 26.4g, 40mm Cellular: 27.8g, 44mm GPS: 32.9g, 44mm Cellular: 33g Colors Jet black, rose gold, silver; titanium: slate, gold, natural Natural titanium Midnight, Starlight, Silver Always On Yes Yes No Interchangeable bands Yes Yes Yes GPS Yes Yes (L1 and L5) Yes Automatic workout detection Yes Yes Yes Compass Yes Yes Yes Altimeter Yes Yes (operating range: -500m to 9,000m) Always-on altimeter Water/Dust resistance Water resistant up to 50m (5ATM), IP6X (dust) 10ATM (100 meters) and recreational scuba diving up to 40 meters Water resistant up to 50m (5ATM) Calls Yes Yes Yes (Cellular only) Microphone Yes Yes (3-mic array) Yes Speaker Yes Yes Yes Voice assistant Yes (Siri) Yes (Siri, on-device) Siri Mobile Payments Yes (Apple Pay) Yes (Apple Pay) Ys (Apple Pay) Sleep tracking Yes Yes Yes Period tracking Yes Yes Yes Sensors Accelerometer, altimeter, gyro sensor, temperature sensor, compass, third-gen optical heart sensor, electrical heart sensor, ambient light sensor, depth gauge, water temperature sensor SPo2 (blood oxygen), ECG, optical heart, ambient light, high dynamic range gyroscope, high-g accelerometer, water temperature, depth gauge + app Second-gen optical heart sensor, accelerometer, High dynamic range gyroscope, Compass, Always-on altimeter, Ambient light sensor Emergency features Fall detection, crash detection, Emergency SOS, international emergency calling, noise monitoring, Backtrack International emergency calling, Emergency SOS, crash detection Emergency SOS, International emergency calling, Crash Detection, Fall Detection, Noise monitoring, Backtrack Compatibility iOS 18 and newer iOS 17 iPhone 8 or later with iOS 16 and newer Software WatchOS 11 WatchOS 11 WatchOS 11 Processor S10 SiP with 64‑bit dual core processor, 4‑core Neural Engine Apple S9 S8 SiP, 64-bit dual-core, 2-core Neural Engine Connectivity Bluetooth 5.3, 2nd gen Ultra Wideband chip LTE and UMTS, Wi-Fi 4, Bluetooth 5.3 Bluetooth 5.3, LTE/UMTS (Cellular model) Memory and storage 64GB 64GB 32GB Charging USB-C fast charging cable USB-C magnetic fast charging Magnetic charging cable, 80% in ~1.5 hours Battery life Up to 18 hours normal use; up to 36 hours in low power mode Up to 36 hours; up to 72 hours (low power mode) Up to 18 hours Battery capacity Wi-Fi 4 (802.11n) Unavailable Not specified US price 42mm: $399 (Wi-Fi); 42mm: $499 (cellular); 42mm: $699 (titanium); 46mm: $429 (Wi-Fi); 46mm: $529 (cellular); 46mm: $749 (titanium) $799 40mm GPS: $249, 44mm GPS: $279 40mm GPS + Cellular: $299, 44mm GPS + Cellular: $329 UK price 42mm: £399 (Wi-Fi); 42mm: £499 (cellular); 42mm: £699 (titanium); 46mm: £429 (Wi-Fi); 46mm: £529 (cellular); 46mm: £749 (titanium) £799 40mm GPS: £219, 44mm GPS: £249, 40mm GPS + Cellular: £269, 44mm GPS + Cellular: £299 Australian price 42mm: AU$649 (Wi-Fi); 42mm: AU$809 (cellular); 42mm: AU$1,199 (titanium); 46mm: AU$699 (Wi-Fi/Bluetooth); 46mm: AU$859 (cellular); 46mm: AU$1,279 (titanium) AU$1,399 40mm GPS: A$399, 44mm GPS: A$449, 40mm GPS + Cellular: A$479, 44mm GPS + Cellular: A$529