Full Specifications
launch
monthSeptember
year2021
statusAvailable
dimensions
size41 mm: 41 × 35 × 10.7 mm 45 mm: 45 × 38 × 10.7 mm
weight32.0
build
protectionIP6X dust resistant; water resistant up to 50 m (ISO 22810:2010)
materialsGlass front, Aluminum frame
features
typeSmartwatch
compatibilityWorks with iPhone compatible with watchOS 8 or later (as at launch)
detailsAlways-On Retina LTPO OLED display (1000 nits typical)
Larger display area (~20% more than Series 6) via thinner bezels
S7 SiP dual-core processor
Blood Oxygen (SpO₂) sensor, ECG (electrical heart sensor)
USB-C magnetic fast charging cable capable of ~80% in ~45 minutes (per third-party specs)
materials
colors
connectivity
bluetooth5.0
codecsSBC, AAC
wired_connectorNone
app_support
battery
capacity309 mAh
lifeUp to 18 hours
chargingMagnetic wireless fast charging via USB-C cable included (1 m)
audio
driversBuilt-in speaker + microphone for calls and Siri
technologiesStandard Apple Watch speaker & microphone support
protection
ip_ratingIP6X
water_resistance50 m (WR50) under ISO 22810:2010
tracking
uwbYes (U1 Chip)
bleYes (Bluetooth Low Energy 5.0)
beeperHaptic feedback motor + speaker alerts
replaceable_batteryNo
controls
indicators
ledsStandard Apple Watch status/charging indicators via UI
platform_features
ports
descriptionNone
standards
warranty
term1 year limited
sustainability
materialsCase made with 100% recycled aluminum; many internal materials recycled or responsibly sourced.