Body:

• Dimensions: 42 × 36 × 9.7 mm (1.65 × 1.42 × 0.38 in)


• Weight: 30.3 g (1.06 oz)


• Build: Glass front, ceramic/sapphire crystal back, aluminum frame


• SIM: No


• Certifications: IP6X certified, 50m water resistant, ECG certified (region-dependent software application; hardware available on all models), Depth gauge to 6m

Display:

• Type: Retina LTPO3 OLED, 2000 nits (peak)


• Size: 1.77 inches


• Resolution: 446 × 374 pixels (~330 ppi density)


• Protection: Ion-X strengthened glass (2025 gen)


• Additional Feature: Wide-angle OLED

Platform:

• OS: watchOS 26, upgradable to watchOS 26.2


• Chipset: Apple S10


• CPU: Dual-core


• GPU: PowerVR

Memory:

• Card Slot: No


• Internal Storage: 64GB

Sound:

• Loudspeaker: Yes


• 3.5mm jack: No

Comms:

• WLAN: Wi-Fi 802.11 b/g/n, dual-band


• Bluetooth: 5.3, A2DP, LE


• Positioning: GPS, GLONASS, GALILEO, QZSS, BDS


• NFC: Yes


• Radio: No


• USB: No

Features:

• Sensors: Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)


• Temperature Sensing: 0.01� accuracy


• Ultra Wideband (UWB): Gen2 chip


• Media Playback: Yes

Battery:

• Type: Li-Ion


• Charging: Wireless, 0–80% in 30 min