Watch Series 12 42mm
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From $399.00
Apple Watch Series 12 requires iPhone 11 or later with iOS 27 or later.
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Description
A work of heart.
- Stay Closer to Your Heart Health
The most accurate heart rate sensing in a wearable, Series 12 now measures HRV as often as every five minutes for insights on stress and recovery, and takes background heart rate readings every five seconds. - A Full-Featured Health Tracker
Better understand your body with invaluable health insights. View your overnight health metrics with the Vitals app and get a daily sleep score, track your menstrual cycle, and take readings of your blood oxygen. - Check Your Readiness for the Day
Know when to rest or put yourself to the test. The readiness experience can help you determine your capacity to take on the day by analyzing your recent activity, vitals, and sleep. - A Powerful Fitness Tracker
With advanced metrics and motivating features like Pacer, Heart Rate Zones, and Workout Buddy powered by Apple Intelligence from your nearby iPhone—Series 12 helps you stay active, from running to hiking to strength training. - Keep Help Close At Hand
A smartwatch that puts your safety first. Series 12 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts. - Enjoy All-Day Battery Life
With up to 24 hours of normal use so you can do all the things you love for longer. And it only takes 15 minutes to fast-charge for up to 12 hours of normal use. - Siri AI and Audio Intelligence
Using just your voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI. Audio Intelligence helps catch what you missed and summarize conversations with Live Rewind and Siri Recap. Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply. - Built to Last
Apple Watch Series 12 aluminum cases now have Ceramic Shield 2—which is tougher than any smartwatch glass. Titanium and ceramic cases have a superdurable crack-resistant sapphire crystal display. - The Freedom of Cellular
With just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPods—even without your iPhone.
Apple Watch Series 12 requires iPhone 11 or later with iOS 27 or later.
Based on data from an Apple-conducted study of heart rate accuracy, during July and August 2026, utilizing commercially available best-selling wearables available as of June 2026. For more information, visit apple.com/HRAccuracy.
Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish, or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies, and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at apple.com/apple-intelligence.
Audio Intelligence includes Live Rewind, Siri Recap, Sound Recognition, and faster Shazam and requires Apple Watch Series 12 or Apple Watch Ultra 4. Live Rewind and Siri Recap will be available in beta in late 2026 and require an Apple Intelligence–enabled iPhone 16 or later (excluding iPhone 16e). Will be available in English to start and will not initially be available in the EU. Certain Audio Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Live Rewind and Siri Recap. For more information, visit support.apple.com/148354.
Hypertension notifications are not intended for use by people under 22 years old, those who have been previously diagnosed with hypertension, or pregnant persons.
The Cycle Tracking app should not be used for birth control or to diagnose a health condition. Cycle deviation notifications inclusive of perimenopause are for people 40 years old or older.
The Vitals app is for wellness purposes only and not for medical use.
The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app. The Blood Oxygen app is available on Apple Watch Series 6 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models.
Requires a paired Apple Intelligence–enabled iPhone and Bluetooth headphones with device and Siri language set to English or Spanish (Mexico). To use Workout Buddy without your iPhone nearby, you must have a Wi-Fi or cellular connection. Some features may not be available in all regions or languages. For feature and language availability and system requirements, see support.apple.com/121115.
Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that cellular service is available. Some cellular networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if it isn’t compatible with or configured to operate on a particular cellular network, if it isn’t set up for cellular service, or if the cellular network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information.
Battery life varies by use and configuration. See apple.com/watch/battery for more information.
Testing conducted by Apple in July and August 2026 using preproduction Apple Watch Series 12 (GPS) and Apple Watch Series 12 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, preproduction Apple Watch Magnetic Fast Charger to USB-C Cable (Model A3277), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage, and environmental factors; actual results will vary.
Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/watch/cellular for participating wireless carriers and eligibility. See support.apple.com/HT207578 for additional setup instructions.
Additional information
| Case Finish | Black, Dark Bronze, Light Gold, Space Gray, Gold, Natural Titanium, Blue, White |
|---|---|
| Case Material | |
| Band | |
| Connectivity | |
| Band Size | |
| Warranty | |
| Brand | Apple |
| Year | 2026 |
| Part Number | MJFX4LS/A |
| Chip | S11 chip with 64-bit dual-core processor Audio Intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition) 4-core Neural Engine 64GB capacity |
| 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 |
| Power | 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 |
| Apple Intelligence | Apple Intelligence and Siri AI |
| Sensors | Health Sensing System: third-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 |
| Buttons and Connectors | Digital Crown with haptic feedback Side button Single tap, double tap, and wrist flick gestures Siri powered by Apple Intelligence |
| Ingress Resistance | Water resistance 50m (swimproof) under ISO standard 22810:2010 Dust resistance IP6X |
| Health | Readiness app Vitals app with heart rate, respiratory rate, wrist temperature, blood oxygen, 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 |
| Communications | Precision L1 GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou) Supports RedCap for 5G and LTE Wi-Fi 4 (802.11n) Support for 2.4GHz and 5GHz Wi-Fi networks Bluetooth 5.3 Second-generation Ultra Wideband chip Apple Pay GymKit Support for Apple Watch For Your Kids International roaming |
| Electrical and Operating 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) |
| Short Description | 6mm or 42mm case size Aluminum case Titanium case Ceramic case Microphone with Voice Isolation Speakers |
| Warranty (Parts) | Apple One (1) Year Limited Warranty |
| Warranty (Labor) | Apple One (1) Year Limited Warranty |
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