Apple Watch SE 3 / GPS / 40mm / Starlight Aluminium case with Starlight Sport Band - S/M

Key Features

ESSENTIAL HEALTH FEATURES — Temperature tracking⁴ provides richer insights into the Vitals app¹ and ovulation estimates. You’ll also get a daily sleep score, sleep apnea alerts⁵, and alerts for high, low, or irregular heart rates⁶.

EXCEPTIONAL BATTERY LIFE — Enjoy up to 18 hours of battery life³. Then charge up to twice as fast as SE 2⁷ and get up to 8 hours of use in just 15 minutes².

ALWAYS-ON DISPLAY — Now you can see the time and watch face without having to raise your wrist to activate the display.

A GREAT WORKOUT PARTNER — SE 3 gives you multiple ways to track your workouts. With real-time metrics, you’ll reach your goals like never before.

STAY CONNECTED — Text, answer calls, listen to music and podcasts, and get notifications. SE 3 (GPS) works with iPhone or Wi-Fi to stay connected.

SAFETY FEATURES — SE 3 can detect a serious fall or traffic accident, automatically connect you to emergency services and notify your emergency contacts⁸. Check In can automatically notify a loved one when you arrive at your destination.

YOUR WATCH, YOUR WAY — Express yourself with dozens of easily customizable watch faces and a wide range of bands in a variety of colors, styles and materials.

STAY CONNECTED ON THE GO WITH APPLE WATCH SE 3 (GPS + CELLULAR)— Text, make calls, download music and podcasts and connect with emergency services without having your iPhone with you.

Legal Notices

Apple Watch SE 3 requires iPhone 11 or later with iOS 26 or later.

¹The Vitals app is intended for wellness purposes only and is not intended for medical use.

²Fast charging is compatible with Apple Watch Series 7 and later, all Apple Watch Ultra models, and Apple Watch SE 3.

³Battery life varies by usage and configuration. Learn more at apple.com/watch/battery.

⁴Temperature detection is not intended for medical use. It is only available on Apple Watch Series 8 and later and all Apple Watch Ultra models.

⁵Sleep apnea alerts are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. The feature is intended to detect signs of moderate to severe sleep apnea in people 18 years of age and older without a previous diagnosis.

⁶Irregular heart rate alert requires the latest versions of watchOS and iOS. Not intended for people under 22 or those already diagnosed with atrial fibrillation (AFib).

⁷Testing conducted by Apple in July and August 2025 using preproduction Apple Watch SE 3 (GPS + Cellular) and Apple Watch SE 2 (GPS + Cellular) units paired with iPhone; all devices tested with preproduction software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charging time varies by adapter, region, settings, initial battery levels, usage, and environmental factors; actual results may vary.

⁸Emergency SOS requires a cellular or Wi-Fi calling connection with an internet connection from your Apple Watch or nearby iPhone. You can use Apple Watch models with cellular to make an emergency call in many areas, as long as cellular service is available. Some cellular networks may not accept emergency calls from your Apple Watch if it is not activated, compatible, or configured for use on a specific network, or if the network does not support emergency calls over IMS. Learn more at support.apple.com/108374 and apple.com/watch/cellular.

⁹Wireless service plan required for cellular use. Contact your carrier for details. Connection may vary based on network availability. See apple.com/watch/cellular for participating carriers and eligibility. Also see support.apple.com/HT207578 for setup instructions.

Technical Specifications

Visit apple.com/watch/compare/ to see the full specifications.