Smartwatch Apple Watch SE (3rd generation) GPS 44mm Midnight Aluminium Case

Apple Watch SE 3 is a smartwatch with a bright OLED touchscreen designed for everyday use. It combines fitness and safety features with smartwatch essentials such as GPS, heart rate monitoring, and voice assistant support. The display offers 368 x 448 pixels and up to 1000 cd/m² brightness, and the device is water resistant to 50 m.

Advantages

The Always‑On display lets you check the time and information without raising your wrist. Built‑in health tools include a heart rate monitor, accelerometer and gyroscope, plus new wrist temperature sensing and a sleep score to help track and improve sleep quality. Safety functions such as Crash Detection and Fall Detection provide quick access to assistance. Fast charging reduces downtime and the battery supports up to 18 hours of typical use.

Key specifications

• Display: OLED touchscreen, 368 x 448 pixels, 1000 cd/m²
• Always‑On display
• Health sensors: heart rate monitor, wrist temperature sensing, accelerometer, gyroscope
• Sleep tracking with sleep score
• Safety: Crash Detection, Fall Detection
• Connectivity: GPS (satellite), Galileo, QZSS, Wi‑Fi, Bluetooth 5.3, NFC
• Audio: built‑in microphone and speaker
• Water resistance: up to 50 m
• Battery: built‑in Li‑Ion, up to 18 hours; fast charging support

How to use

Charge the watch before first use and pair it with your iPhone via the Watch app to enable full functionality. Use the touchscreen and gestures to navigate apps, view notifications and start workouts. Enable health features such as heart rate monitoring, wrist temperature sensing and sleep tracking in the Health and Vitals apps to collect and review data. Activate Safety features in settings to enable Crash Detection and Fall Detection.

Recommendations

For reliable performance, keep the watchOS updated, charge the watch regularly, and wear the device snugly on your wrist when measuring heart rate or wrist temperature. Avoid exposing the watch to strong impacts despite its reinforced glass, and rinse with fresh water after swimming in salt water.