Material and finish: Aluminum case: Dark Bronze, Light Gold, Black, Space Gray. Titanium case: Radiant Gold, Natural. Ceramic case: Pearl White, Night Blue.
Size and weight (46mm): Height (aluminum, titanium): 46mm; Height (ceramic): 47mm; Width (aluminum, titanium): 40mm; Width (ceramic): 41mm; Depth (aluminum, titanium): 9.7mm; Depth (ceramic): 9.85mm; 416 by 496 pixels; 1196 sq mm display area; Weight (aluminum, GPS): 39.5 grams; Weight (aluminum, GPS + Cellular): 38.6 grams; Weight (titanium): 44.9 grams; Weight (Pearl White ceramic): 51.3 grams; Weight (Night Blue ceramic): 52.9 grams; Fits 140–245mm wrists.
Size and weight (42mm): Height (aluminum, titanium): 42mm; Height (ceramic): 43mm; Width: 37mm; Depth (aluminum, titanium): 9.7mm; Depth (ceramic): 9.85mm; 374 by 446 pixels; 970 sq mm display area; Weight (aluminum, GPS): 32.2 grams; Weight (aluminum, GPS + Cellular): 31.5 grams; Weight (titanium): 36.5 grams; Weight (Pearl White ceramic): 41.7 grams; Weight (Night Blue ceramic): 42.8 grams; Fits 130–200mm wrists.
Hardware and buttons: Digital Crown, Microphone with Voice Isolation, Side button, Band release button, Speaker, Health Sensing System.
Controls: Digital Crown with haptic feedback, Side button, Single tap, double tap, and wrist flick gestures, Siri powered by Apple Intelligence.
Chip: S11 chip with 64-bit dual-core processor, Audio Intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition), 4-core Neural Engine, 64GB capacity.
Sensors: Health Sensing System: second‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, and temperature sensor; Compass; Always‑on altimeter; High‑g accelerometer; High dynamic range gyroscope; Ambient light sensor; Depth gauge to 6 meters; Water temperature sensor.
Health and wellness: Readiness app, Vitals app with heart rate, respiratory rate, wrist temperature, sleep duration, and heart rate variability (HRV), Blood Oxygen app, ECG app, Heart Rate app, High and low heart rate notifications, Recovery HRV, High‑frequency background heart rate tracking, Irregular rhythm notifications, Advanced Cycle Tracking app with fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support, Medications app, Mindfulness app with state of mind tracking, Noise app, Sleep app including sleep stages, Sleep score, Sleep apnea notifications, Hypertension notifications.
Display: Always‑On Retina display with wide‑angle OLEDs and LTPO3, 1Hz refresh, Active area (42mm): 374 by 446 pixels, 326 pixels per inch, Active area (46mm): 416 by 496 pixels, 326 pixels per inch, Ceramic Shield 2 (aluminum cases), Sapphire front crystal (titanium and ceramic cases), 2000 nits peak brightness, 1 nit minimum brightness.
Audio: Speaker, Microphone, Media playback.
Power and battery life: All‑day battery life, up to 24 hours of normal use, Up to 38 hours in Low Power Mode, Up to 10 hours outdoor workout, Built‑in rechargeable lithium‑ion battery, Fast‑charge capable, Up to 80% charge in about 30 minutes, 15 minutes for up to 12 hours of normal use, 5 minutes for up to 10 hours of sleep tracking.
Workouts and activity: Running (Custom workouts, Customizable Workout Views, Training Load, Heart Rate Zones (customizable), Postworkout heart rate, VO2 max, Race Route, Pacer, Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, and Running Power, Automatic track detection, Multisport workout, Heart Rate Zone, pace, and target alerts); Hiking (Compass with bearing, incline, elevation, and coordinates, Custom waypoints, Automatically generated waypoints to cellular connectivity, Backtrack GPS data, Offline maps with custom route creation, Topographic maps for thousands of national and regional parks (U.S. only), Hundreds of curated hikes across all 63 U.S. national parks); Cycling (Average speed, elevation gained, and distance, Connection to cycling accessories via Bluetooth, Functional Threshold Power, Power Zones, Cadence, Live Activity on iPhone); Swimming (Pool swim or open water swim, Custom workouts for pool swims, Splits and auto sets, SWOLF score, Automatic stroke detection, Kickboard detection, Average pace, total distance, and laps); More Workouts (Skiing, Snowboarding, Outdoor Rowing, Paddling, Golf, Walk, Elliptical, Rower, Stair Stepper, HIIT, Yoga, Functional Strength Training, Dance, Cooldown, Core Training, Pilates, Tai Chi, Wheelchair, Kickboxing, Multisport, Other).
Safety: Emergency SOS, International emergency calling, Fall Detection, Crash Detection, Last Emergency Call Availability Waypoint, Flashlight, Backtrack, Noise monitoring, Check In.
Durability: Water resistance 50m (swimproof) under ISO standard 22810:2010, Dust resistance IP6X.
Connectivity: All models: Support for 2.4GHz and 5GHz Wi‑Fi networks, Wi‑Fi 4 (802.11n), Bluetooth 5.3, Precision L1 GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou), Second‑generation Ultra Wideband chip, Apple Pay, GymKit; Cellular models: Supports RedCap for 5G and LTE, FDD‑5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71), TDD‑5G NR (Bands n38, n40, n41), FDD‑LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71), TDD‑LTE (Bands 38, 39, 40, 41), Support for Apple Watch For Your Kids, International roaming.
Environmental requirements: Operating temperature: 32° to 95° F (0° to 35° C); Nonoperating storage temperature: –4° to 113° F (–20° to 45° C); Relative humidity: 5% to 90% noncondensing; Operating altitude: 0 feet to 10,000 feet (0m to 3000m).
Materials: Apple Watch Series 12 with aluminum and titanium cases are made with 40% recycled content, including: 100% recycled aluminum in the aluminum case, 100% recycled cobalt in the battery, 100% recycled copper wire and recycled tungsten in the Taptic Engine, 100% recycled gold plating and tin solder in all Apple‑designed printed circuit boards, 95% recycled lithium in the battery, 100% recycled titanium in the titanium case.
Packaging: 100% fiber‑based packaging.
Energy: 100% of manufacturing electricity for Apple Watch Series 12 with aluminum and titanium cases is sourced from renewable electricity; 100% of expected customer energy use matched with renewable electricity for Apple Watch Series 12 with aluminum and titanium cases.
Waste: No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program.
Compatibility: iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later.