Apple Watch SE 3 overview
Stay active. Stay healthy. Stay connected. Monitor your health. Track your workouts. Get the motivation you need to achieve your fitness goals with the Apple Watch Series 3 42mm. And stay connected to the people and information you care about. With Apple Watch Series 3, you can do it all — right from your wrist.
Three rings. One goal. Stand, Move, and Exercise rings visualize the ways you move each day. See if you’re sitting too much. Measure calories burned. And track how many minutes of exercise you’ve done. You can even share your rings with friends. Try new Activity competitions, and let smart coaching give you a nudge when you need it.
Take your workouts further. Track popular workouts like yoga, cycling, swimming, and high-intensity interval training. Track your runs with advanced features for runners like cadence and pace alerts. Pair wirelessly with compatible gym equipment.2 And sync your favorite playlist from Apple Music to stay motivated.
General |
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Available | September 2025 |
Other names | Watch SE3 Watch SE 2025 Watch SE 3rd Gen |
Dimensions | 40 x 34 x 10.7 mm |
Weight | 26.3 g |
Colors | Midnight Starlight |
Straps | Rubber |
Network | No |
Compatibility | iOS |
Key features | Up to 50M water resistant High and low heart rate notifications Fall detection Always-on altimeter Backtrack with offline maps support Vitals and activity tracking |
Frame | Aluminum Frame Plastic / Sapphire Crystal Back |
Platform |
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Operating system | watchOS 26 |
Processor | Dual-core 4-core Neural Engine |
Chipset | Apple S10 |
Graphics processor | PowerVR |
Storage | 64GB |
Card slot | No |
Battery | Li-Ion |
Battery features | Wireless Charging Up to 80% in 45 Min 15 Min Charging = Up to 8h Normal Use Up to 18h Normal Use Up to 32h Low Power Mode |
Platform features | Cycle / Noise / Sleep / Vitals Monitor Rotating Crown with Haptic Feedback Side Button Built-in Microphone Built-in Speaker |
Software applications | Mindfulness App Training Load / GymKit Apple Pay Siri Find iPhone Offline Maps / Backtrack High and Low Heart Rate Notifications Medications App |
IP rating | 50M Water Resistant |
Display |
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Display size | 1.57 Inches 394 x 324 Pixels |
Display type | Retina LTPO OLED Screen 16M Colors |
Pixel density | 326 ppi |
Display features | 1000 Nits Peak Brightness Ion-X Glass Always-on display |
Sensors & Connectivity |
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Sensors | Accelerometer Heart Rate Gyro Barometer Compass SpO2 Ambient Light Always-on Altimeter Body Temperature |
Connectivity | Bluetooth 5.3 NFC Wi-Fi 4 GPS / GLONASS / GALILEO / QZSS |
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