Product details
The Apple Watch SE (Gen 3) delivers upgraded performance, health insights, and safety features while remaining Apple’s most affordable smartwatch option.
- The Apple Watch SE Gen 3 was released in September 2025 as the budget-friendly model in Apple’s lineup.
- It introduces a new Always‑On Retina display, allowing users to check time and notifications without raising their wrist.
- The watch features wrist temperature sensing, integrated into the Vitals app for richer health insights.
- A sleep score system helps track and improve sleep quality, building on Apple’s existing sleep monitoring tools.
- The display glass is 4x more crack-resistant, improving durability for everyday use.
- Safety tools include Crash Detection and Fall Detection, ensuring quick access to emergency services if needed.
- It runs on watchOS 26, with support for future updates and apps.
- The watch offers 18-hour battery life with new fast charging that recharges up to 2x quicker.
- It comes in a 100% recycled aluminum case, available in multiple matte finishes.
Specifications
- Material and FinishAluminum case
- Size and Weight
- 44mmHeight: 44mm | Width: 38mm | Depth: 10.7mm | 368 by 448 pixels | 977 sq mm display area | Weight (GPS): 32.9 grams | Weight (GPS + Cellular): 33.0 grams | Fits 140–245mm wrists
- Hardware and ButtonsDigital Crown | Microphone | Side button
- 40mmHeight: 40mm | Width: 34mm | Depth: 10.7mm | 324 by 394 pixels | 759 sq mm display area | Weight (GPS): 26.3 grams | Weight (GPS + Cellular): 26.4 grams | Fits 130–200mm wrists
- Hardware and ButtonsSpeaker/air vent | Optical heart sensor
- ControlsDigital Crown with haptic feedback | Side button | Double tap and wrist flick gestures | Siri with on‑device processing
- ChipS10 chip with 64‑bit dual core processor | 4‑core Neural Engine | 64GB capacity
- SensorsSecond-generation optical heart sensor | Temperature sensor | Compass | Always -on Altimeter | High-g Acceleration | High Dynamic Range Gyroscope | Ambient Light Sensor
- Health and WellnessCycle Tracking app with retrospective ovulation estimates2 | Heart Rate app | High and Low Heart Rate Notification | Irregular Rhythm Notifications | Medications App | Mindfulness App | Noise App | Sleep App Including Sleep Stages | Sleep Score | Sleep Apnea Notifications
- DisplayAlways-On Retina display with OLED and LTPO | Tough Ion-X front glass with 4x crack resistance | Up to 1000 nits peak brightness | 2 nits minimum brightness | 326 pixels per inch
- AudioSpeaker | Microphone | Media playback
- Power and Battery Life• All day battery life, up to 18 hours of normal use • Up to 32 hours in Low Power Mode • Built in rechargeable lithium ion battery • Fast charge capable • Up to 80% charge in about 45 minutes • 15 minutes for up to 8 hours of normal use • 8 minutes for up to 8 hours of sleep tracking
- Operating SystemwatchOS watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.
- Safety• Emergency SOS • International emergency calling • Crash Detection • Fall Detection • Noise monitoring • Backtrack
- DurabilityWater resistance 50m (swimproof)
- ConnectivityAll Models
- AccessibilityBuilt‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
- Environmental RequirementsOperating 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)
- CompatibleiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later
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