Apple Watch Series 12 / Apple Watch Series 7 (45 mm, GPS)

Apple Watch Series 12: 42 / 46 mm · Case material options

Apple Watch Series 7 (45 mm, GPS): Apple Watch Series 7, 45 mm aluminium case, GPS model. The 41 mm case, GPS + Cellular, stainless steel and titanium versions are separate configurations with different display area and weight.

Specification	Apple Watch Series 12	Apple Watch Series 7 (45 mm, GPS)
Release year	2026	2021
Processor	S11; 64-bit dual-core; 4-core Neural Engine Apple	—
Storage	64 GB Apple	32 GB Apple
Display	Always-On Retina LTPO3 OLED; 326 ppi; 2000 nits peak, 1 nit minimum; 46 mm: 416 × 496; 42 mm: 374 × 446 LTPO3 drops to 1 Hz in Always-On mode to save power. Apple	Always-On Retina LTPO OLED; 396 × 484 pixels; 1,143 mm² display area; 1,000 nits brightness The 41 mm case has 352 × 430 pixels and 904 mm² of display area. The LTPO panel lowers its refresh rate when the wrist is down so the screen can stay on. Apple
Cover glass	Aluminium: Ceramic Shield 2; titanium/ceramic: sapphire Apple	—
Case and material	42 / 46 mm; aluminium, titanium or ceramic Ceramic cases are slightly larger and thicker (9.85 mm); aluminium and titanium are 9.7 mm. Apple	—
Rated battery life	Up to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours workout tracking Apple's test profile; actual use varies. Apple	—
Rated charging time	About 80% in 30 minutes; 15 minutes gives up to 12 hours of normal use Apple measured these with a 20 W adapter that is not included; a USB-C fast-charging cable is in the box. Apple	—
Sensors	Second-generation electrical and always-on optical heart sensors; blood oxygen; temperature; compass; always-on altimeter; high-g accelerometer; depth gauge to 6 m; water temperature Apple	—
Health features	ECG; irregular rhythm and high/low heart rate notifications; hypertension and sleep apnoea notifications; sleep score; Vitals; Readiness Some health features are limited by country and age; blood oxygen and temperature are not for medical use. Apple	—
Weight	46 mm aluminium GPS 39.5 g; titanium 44.9 g; 42 mm aluminium GPS 32.2 g; titanium 36.5 g Apple	—
Durability	50 m water resistance (ISO 22810:2010); IP6X dust For swimming and snorkelling to 6 m, not scuba diving. Resistance can diminish over time. Apple	Water resistant to 50 metres under ISO 22810:2010; IP6X dust resistant; ceramic and sapphire crystal back Suitable for shallow-water activities such as swimming in a pool or the sea; not for scuba diving, waterskiing or high-velocity water. Apple
Connectivity	Wi-Fi 4 (2.4 and 5 GHz); Bluetooth 5.3; second-generation UWB; multi-constellation GPS; RedCap 5G on cellular models Apple	Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.0 LTE/UMTS is only on GPS + Cellular models. Apple
Compatibility	watchOS 27; iPhone 11 or later (including iPhone SE 2nd generation or later) running iOS 27 Apple	Requires iPhone 6s or later with the latest iOS Per Apple’s launch documentation; some features are unavailable when the watch is set up through Family Setup. Apple
Chip	—	S7 SiP with 64-bit dual-core processor; W3 wireless chip; U1 (Ultra Wideband) Ultra Wideband availability varies by region. Apple
Health sensors	—	Blood oxygen sensor (Blood Oxygen app); electrical heart sensor (ECG app); third-generation optical heart sensor Blood oxygen readings are not for medical use. The ECG app and irregular rhythm notification need the latest watchOS/iOS and are not intended for people under 22. Apple
Motion and safety	—	Accelerometer up to 32 g-forces with fall detection; gyroscope; ambient light sensor; Emergency SOS On the GPS model, Emergency SOS needs the iPhone nearby or a known Wi-Fi network with Wi-Fi Calling; international emergency calling is only on the GPS + Cellular model. Apple
Location	—	GPS, GLONASS, Galileo, QZSS and BeiDou; compass; always-on altimeter Apple
Battery and charging	—	Up to 18 hours; built-in lithium-ion battery; USB-C magnetic fast charging cable Apple’s battery test was done in August 2021 with preproduction watches paired to an iPhone; actual life varies with use and settings. The fast-charge test used the A2515 cable and a 20 W USB-C adapter; the adapter is not in the box. Apple
Size and weight	—	45 × 38 × 10.7 mm; aluminium: 38.8 g The 45 mm stainless steel case weighs 51.5 g and titanium 45.1 g. Apple
Colours	—	Aluminium: Midnight, Starlight, Green, Blue, (PRODUCT)RED Apple