Apple Watch SE 3 (40mm)

Overview

The most affordable Apple Watch ever — now with the same S10 chip as the Series 11 and Ultra 3. Always-On display, sleep score, sleep apnea detection, and wrist temperature now available at the entry price.

Tech Specs

• Chip: Apple S10 SiP — same chip as Series 11 & Ultra 3 (major upgrade over SE 2's S8)
• Case: 40mm Aluminum, Ion-X glass — 4× more crack-resistant than previous SE
• Display: Always-On Retina LTPO3 OLED (new to SE for the first time)
• OS: watchOS 26
• Connectivity: GPS, Wi-Fi, Bluetooth 5.3
• Health Sensors: Heart rate, Wrist temperature (new), Accelerometer, Gyroscope
• Health Features: Sleep score (new), Sleep apnea detection (new), Cycle tracking, Crash Detection, Fall Detection
• Fitness: 100+ workout types, Workout Buddy (with iPhone nearby)
• Battery: Up to 18 hours / 36 hours Low Power Mode; fast-charge capable
• Water Resistance: 50m swim-safe
• Gestures: Double Tap, Wrist Flick (new to SE)
• Compatibility: iPhone only
• Colorways: Midnight, Starlight