Apple Watch Series 11 (46 mm, GPS) / Apple Watch Ultra 2

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 Ultra 2: Apple Watch Ultra 2, 49 mm titanium case, GPS + Cellular; natural (2023) and black titanium added in 2024. Band options (Alpine Loop, Trail Loop, Ocean Band, Titanium Milanese Loop) vary by size. The Apple Watch Ultra (2022) and Ultra 3 (2025) are separate models.

Specification	Apple Watch Series 11 (46 mm, GPS)	Apple Watch Ultra 2
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 LTPO2 OLED; 410 × 502 pixels, 326 ppi; 1,185 mm² display area Brightness goes up to 3,000 nits and down to 1 nit in the dark. LTPO2 lowers the refresh rate to reduce battery use in always-on mode. 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	S9 SiP (64-bit dual-core processor, 4-core Neural Engine); 64 GB The S9 SiP can process Siri requests on the device and supports the double tap gesture (tapping thumb and index finger together twice). 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	—
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	—
Location	GPS, GLONASS, Galileo, QZSS, BeiDou; compass, always-on altimeter Apple	L1 + L5 dual-frequency GPS; GLONASS, Galileo, QZSS, BeiDou The L5 band helps reduce position errors where signals bounce, such as among tall buildings and dense trees. 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, or iPhone SE (2nd generation or later), with iOS 18 or later The watch is set up and used only with an iPhone; it does not work with Android phones. Apple
Case	—	49 mm, Grade 5 titanium; natural or black; 49 × 44 × 12 mm Weight is 61.4 g in natural and 61.8 g in black. Fits 130–210 mm wrists. Apple
Glass	—	Flat sapphire crystal front Apple
Sensors	—	Electrical heart sensor; third-generation optical heart sensor; temperature sensor; depth gauge; water temperature sensor; compass; always-on altimeter The electrical sensor runs the ECG app (age 22 and over). The temperature sensor is not for medical use; it supports retrospective ovulation estimates in cycle tracking. Apple
Diving and durability	—	100 m water resistance under ISO 22810:2010 (WR100); recreational scuba diving to 40 m under EN13319; IP6X under IEC 60529; MIL-STD 810H testing The depth gauge is accurate to ±1 m; Apple advises against diving below 40 m. The MIL-STD 810H tests cover altitude, temperature shock, freeze/thaw, shock and vibration. Apple
Cellular and wireless	—	4G LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband chip Cellular use needs a carrier plan. Ultra Wideband enables precision finding of an iPhone; availability depends on the country. Apple
Battery and charging	—	Up to 36 hours in normal use and 72 hours in Low Power Mode; fast charge to 80% in about 1 hour; built-in lithium-ion The box includes a 1 m magnetic fast charger to USB-C cable; no adapter. Apple
Controls and safety	—	Customisable Action button; Digital Crown with haptic feedback; siren; Emergency SOS, fall and crash detection The Action button is also used for Precision Start, beginning a workout recording at the exact start. The siren sounds a loud alert to call for help. Apple
Operating conditions	—	On wrist –20 to 55 °C; diving 0–40 °C; altitude –500 to 9,000 m Apple