Apple Watch 7 series

2 small scratches from light useAlways-on altimeterWater resistant50 meters1Blood oxygen sensor(Blood Oxygen app)2Electrical heart sensor(ECG app)3Third-generation optical heart sensorInternational emergency calling5Emergency SOS4Accelerometerup to 32 g-forces with fall detectionGyroscopeAmbient light sensorSpeakerMicrophoneApple PayGymKitCapacity 32GBCeramic and sapphire crystal backDisplay45mm396 by 484 pixels1143 sq mm display area41mm352 by 430 pixels904 sq mm display areaAlways-On Retina LTPO OLED display1000 nits brightnessChipS7 with 64-bit dual-core processorW3Apple wireless chipU1 chip(Ultra Wideband)12ConnectivityLTE and UMTS6GPS + Cellular modelsLearn more about available carriersWi-Fi802.11b/g/n 2.4GHz and 5GHzBluetooth 5.0PowerBuilt-in rechargeable lithium-ion batteryUp to 18 hours8USB-C magnetic fast charging cableEnvironmental Features13100% recycled aluminum in the case100% recycled tungsten in the Taptic Engine100% recycled rare earth elements in all magnets100% recycled tin in the SiPArsenic-free display glass16Mercury-, BFR-, PVC-, and beryllium-free16Dimensions41mmHeight: 41mmWidth: 35mmDepth: 10.7mm45mmHeight: 45mmWidth: 38mmDepth: 10.7mmWeight41mmAluminum: 32.0gStainless Steel: 42.3gTitanium: 37.0g45mmAluminum: 38.8gStainless Steel: 51.5gTitanium: 45.1gIn the BoxApple Watch Series 7Band/Loop1m Magnetic Fast Charger to USB‑C Cable comes with extra leather magnetic band.