Device comparison
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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Announced | September 9, 2025 | 2026, September 22 |
| Released | 2025-09-19 | 2026-09-24 |
| Status | Available | Available |
NETWORK5 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| 2G Bands | Yes | — |
| 3G Bands | Yes | — |
| 4G LTE | Yes | — |
| 5G | Yes (select regions) | — |
| SIM | eSIM (embedded; no physical SIM) | — |
BODY6 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Build | Aluminum case, Ion-X strengthened glass | Stainless steel case, segmented fluoroelastomer strap |
| Colors | Midnight, Starlight | Dynamic Orange, Mist Pink, Mountain Shadow Gray |
| Dimensions | 40 mm: 40 x 34 x 10.7 mm; 44 mm: 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) | 8.9 mm thick (excluding sensor bump) |
| IP Rating | Water resistance: WR50 / 50 m | 5ATM, IP69 / IP69K |
| Strap | Interchangeable Apple bands | — |
| Weight | 44 mm (GPS): 32.9 g; 44 mm (GPS + Cellular): 33.0 g; 40 mm (GPS): 26.3 g; 40 mm (GPS + Cellular): 26.4 g | 34.5 g |
DISPLAY6 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Always-On Display | Yes | — |
| Brightness | — | 600 nits (typical), 1500 nits (outdoor), 3000 nits (peak, outdoor sports modes) |
| Protection | Ion-X strengthened glass | Corning glass |
| Resolution | 44 mm: 368 x 448 pixels; 40 mm: 324 x 394 pixels (~326 ppi density) | 464 x 464 pixels (317 ppi) |
| Size | 44 mm: 1.78 inches; 40 mm: Smaller variant | 1.46 inches |
| Type | Retina OLED | AMOLED |
PLATFORM4 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| CPU | Dual-core | — |
| Chipset | Apple S10 | BES2800BP |
| GPU | Integrated Apple graphics | — |
| OS | watchOS 26 | ColorOS Watch 17 |
MEMORY2 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Card slot | No | — |
| Internal | 64 GB | 4GB eMMC |
MAIN CAMERA1 field
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| MAIN CAMERA | No | — |
SOUND3 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Loudspeaker | Yes | — |
| Microphones | Yes | — |
| Microphones jack | No | — |
COMMUNICATION7 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Bluetooth | 5.3 | Yes, dual-phone simultaneous connection |
| NFC | Yes (Apple Pay) | Yes (transit cards) |
| Navigation Systems | GPS, GLONASS, GALILEO, QZSS, BDS | — |
| Positioning | — | Dual-frequency GPS |
| Radio | No | — |
| USB | No | — |
| WLAN | Wi-Fi 802.11 b/g/n | — |
FEATURES3 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Health | — | 60-second health check (13 metrics), sleep apnea screening, FatMax fat-burning mode, 100+ sports modes |
| Health Features: | Heart rate monitoring, sleep tracking, cycle tracking; Safety features: Crash Detection, Fall Detection, Emergency SOS | — |
| Sensors | Accelerometer, gyroscope, optical heart rate sensor, barometer, always-on altimeter, compass, ambient light sensor | 8-channel optical heart rate, 16-channel blood oxygen (SpO2), ECG electrode, temperature |
BATTERY4 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Battery Life | Up to 18 hours (normal use); Up to 32 hours (Low Power Mode) | Up to 7 days (typical), up to 10 days (battery saver), about 4 days (always-on display) |
| Capacity | — | 330 mAh |
| Charging Type | Wireless (magnetic); Fast charging: Yes | Full charge in about 90 min |
| Type | Built-in rechargeable lithium-ion | — |
ADDITIONAL INFORMATION6 fields
| Specification | Watch SE 3 | Watch S2 |
|---|---|---|
| Colors | — | Dynamic Orange, Mist Pink, Mountain Shadow Gray |
| Compatibility | iPhone (iOS required) | China-market model |
| Launch Price | — | CNY 1,599 — China |
| Launch Price (USD) | $248.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | A3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392 | — |
| Price in Nigeria | ₦347,000 | ₦334,200 (estimate, converted from China launch price) |