Apple Watch Series 11 (46 mm, GPS) / Apple Watch Series 9 (45 mm, GPS, aluminium)

Apple Watch Series 11 (46 mm, GPS): 46 mm aluminium case, GPS; Rose Gold, Silver, Space Gray, Jet Black. The 42 mm and GPS + Cellular (A3335, A3337) versions and the titanium cases with sapphire crystal are separate models.

Apple Watch Series 9 (45 mm, GPS, aluminium): 45 mm aluminium case, GPS model; Pink, Midnight, Starlight, Silver and (PRODUCT)RED. The 41 mm, GPS + Cellular and stainless steel (sapphire crystal) versions differ in size and materials.

Specification	Apple Watch Series 11 (46 mm, GPS)	Apple Watch Series 9 (45 mm, GPS, aluminium)
Release year	2025	2023
Display	Always-On Retina, LTPO3 OLED (wide-angle OLED); 416 × 496 pixels, 1196 mm²; 326 ppi; up to 2,000 nits, 1 nit minimum Because LTPO can drop the refresh rate very low, the display stays dimly on even with the wrist down. Wide-angle OLED is used to reduce brightness loss when the screen is viewed from the side. Apple	Always-On Retina LTPO OLED; up to 2000 nits, as low as 1 nit; 326 ppi LTPO is a panel technology that can lower the refresh rate dramatically, letting the display stay dimly on when the wrist is down. The 1-nit minimum avoids glare in a dark room. Apple
Front glass	Ion-X glass with ceramic coating According to Apple, the coating gives twice the scratch resistance of the Series 10 Ion-X glass. Titanium cases use sapphire crystal. Apple	—
Chip and storage	S10 SiP (64-bit dual-core processor, 4-core Neural Engine); W3 wireless chip; 64 GB Apple	—
Health sensors	Electrical heart sensor; third-generation optical heart sensor; blood oxygen sensor; temperature sensor The electrical sensor records a single-lead ECG with the ECG app. According to Apple, blood oxygen and wrist temperature are for general wellness, not medical use. Apple	Electrical heart sensor, third-generation optical heart sensor, temperature sensing The electrical sensor is for ECG recordings; the optical sensor measures pulse with light. Temperature sensing tracks overnight changes in wrist temperature. Apple
Health notifications	Hypertension notifications; sleep apnea notifications; sleep score and sleep stages; irregular rhythm and high/low heart rate notifications Hypertension notifications do not measure blood pressure; they alert when patterns in the optical sensor data suggest high blood pressure. According to Apple, they are not for users under 22, those already diagnosed with hypertension or pregnant users. Apple	—
Water and dust resistance	50 m (ISO 22810:2010); IP6X dust Suitable for shallow swimming in a pool or the sea; not for scuba diving, waterskiing or high-velocity water sports. Apple	—
Wireless	Bluetooth 5.3; Wi-Fi 4 (802.11n) 2.4 and 5 GHz; second-generation Ultra Wideband; Apple Pay, GymKit This GPS model has no cellular connection; calls and data come through the paired iPhone or Wi-Fi. Ultra Wideband availability varies by country. Apple	Wi-Fi 4 (802.11n), Bluetooth 5.3, second-generation Ultra Wideband Ultra Wideband lets you locate an iPhone 15-family phone with Precision Finding showing direction and distance; availability varies by region. Apple
Location	GPS, GLONASS, Galileo, QZSS, BeiDou; compass, always-on altimeter Apple	L1 GPS, GNSS, Galileo and BeiDou It is a single-frequency (L1) receiver; drift in cities can be more likely than with dual-frequency watches. Apple
Battery	Up to 24 hours of normal use; up to 38 hours in Low Power Mode; built-in lithium-ion Times are based on Apple’s usage scenario; workouts, GPS and the Always-On display shorten them. Apple	—
Charging	About 80% in 30 minutes; 8 hours of use from 15 minutes; 8 hours of sleep tracking from 5 minutes The box includes a Magnetic Fast Charger to USB-C cable; Apple’s fast-charge figures used a separately sold 20 W USB-C adapter. Apple	—
Dimensions and weight	46 × 39 × 9.7 mm; 37.8 g; fits 140–245 mm wrists The 42 mm aluminium GPS version weighs 30.3 g. Apple	—
Compatibility	iPhone 11 or later, or iPhone SE (2nd generation or later), running iOS 26 or later The watch cannot be used with Android phones. Apple	iPhone XS or later with iOS 17 or later It cannot be used with Android phones. Apple
Chip	—	S9 SiP; 64-bit dual-core processor, 4-core Neural Engine Apple
Storage	—	64 GB Apple
Controls	—	Digital Crown with haptic feedback, side button, double tap gesture Double tap lets you answer notifications or calls by tapping the thumb and index finger of the watch hand together twice, without touching the screen. Apple
Blood Oxygen (US)	—	On watches sold in the US without the feature, a redesigned version arrives with iOS 18.6.1 and watchOS 11.6.1; the reading is calculated on iPhone The watch collects sensor data, the paired iPhone calculates the value and shows it in the Health app. Watches bought outside the US are not affected. Apple
Other sensors	—	Compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor Apple
Battery and charging	—	Up to 18 hours normal use, up to 36 hours in Low Power Mode; fast charge to about 80% in 45 minutes Fast charging requires Apple’s fast-charging cable and a suitable adapter. Apple
Durability	—	50 m water resistant (ISO 22810:2010); IP6X dust resistant; Ion-X front glass Suitable for swimming. Ion-X is the strengthened glass used on aluminium cases; steel cases use sapphire crystal. Apple
Size and weight	—	45 × 38 × 10.7 mm; 38.7 g; fits 140–245 mm wrists Apple