Official manufacturer render.
Apple
Apple Watch SE 3 40mm
Watch2025Released
- Retina LTPO OLED
- Apple S10 SiP
- 26 g
Available colors
Selected: Midnight
Physical specifications
26 g
Case weight
40.0 mm
Case height
34.0 mm
Case width
10.7 mm
Case thickness
Release and pricing
- Announced
- September 9, 2025
- Released
- September 19, 2025
Display
- Display technology
- Retina LTPO OLED
- Resolution
- 324 × 394
- Protection
- Ion-X glass
Performance
- Chipset
- Apple S10 SiP
- Storage
- 64 GB
- Expandable storage
- No
Battery & charging
- Charging standard
- Apple Watch Magnetic Fast Charger
- Battery type
- Built-in rechargeable lithium-ion
Build & durability
- Frame
- Aluminum
- Front
- Ion-X glass
- Ingress protection
- Water resistance 50m
Connectivity
- Cellular
- LTE (GPS + Cellular models)
- Wi‑Fi
- Wi‑Fi 4 (802.11n)
- Bluetooth
- Bluetooth 5.3
- NFC
- Yes
Sizometry Analysis
Everyday usability
Estimated from the watch’s size, weight, battery, display, and intended wearing conditions.
Wrist comfort
Very comfortableIts compact case and low body weight should remain comfortable throughout a full day.
Sleep comfort
ComfortableIts size and weight should remain comfortable for most users overnight.
Battery usability
Data unavailableAvailable battery information is insufficient for a reliable daily-use assessment.
Screen and controls
Easy to useDetailed brightness information is unavailable, so outdoor visibility cannot be fully assessed.
Workout usability
ExcellentIts low weight, water resistance, and GPS support make it well suited to running and gym sessions.
Models and configurations
- Storage
- 64 GB
- Connectivity
- LTE (GPS + Cellular models)
- Colors
- MidnightStarlight
