Apple Watch Series 10 Aluminium - Product Specifications: General Information Release Date: 9th September 2024 Operating System: watchOS 11, upgradable to watchOS 11.6 Model Numbers: A3001 (GPS + Cellular 42mm) A3003 (GPS + Cellular 46mm) A2997 (GPS only 42mm) A2999 (GPS only 46mm) Connectivity Options Available: GPS + Cellular GPS only Size Options Available: 42mm 46mm Body & Build Dimensions: 46mm: 46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in) 42mm: 42 x 36 x 9.7 mm (1.65 x 1.42 x 0.38 in) Weight: GPS + Cellular: 46mm: 35.3 g 42mm: 29.3 g GPS Only: 46mm: 36.4 g 42mm: 30 g Build Materials: Glass front, ceramic/sapphire crystal back, aluminium frame SIM Type (For cellular models only): eSIM Water Resistance: IP6X certified, 50m water resistant Additional Certifications: ECG certified (region dependent), depth gauge to 6m Display Type: Retina LTPO3 OLED Brightness: 2000 nits (peak) Size: 46mm: 1.96 inches 42mm: 1.77 inches Resolution: 46mm: 496 x 416 pixels (~330 ppi density) 42mm: 446 x 374 pixels (~330 ppi density) Protection: Ion-X strengthened glass Special Features: Wide-angle OLED Performance Chipset: Apple S10 CPU: Dual-core GPU: PowerVR Memory Internal Storage: 64GB Card Slot: Not available Connectivity Wi-Fi: WiFi 4 (802.11 b/g/n), dual-band Bluetooth: 5.3, A2DP, LE Positioning Systems: GPS, GLONASS, GALILEO, QZSS, BDS NFC: Yes USB: Not available Radio: Not available Sensors & Features Sensors: Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, body temperature, water temperature Temperature Accuracy: 0.01deg; Other Features: Ultra Wideband (UWB) support (gen2 chip), media playback Battery Type: Li-Ion Charging: Wireless, 0-80% in 30 minutes Sound Loudspeaker: Yes 3.5mm Jack: Not available Colours Available Options: Jet Black Rose Gold Silver