Full Specifications
launch
monthSeptember
year2017
statusAvailable
dimensions
size38.6 × 33.3 × 10.5 mm
weight35
build
protectionWater resistant to 50 m (5ATM)
materialsGlass front, Aluminum frame
features
typeSmartwatch
compatibilityPairs with iPhone models compatible with watchOS for Series 3; originally required iPhone 6s or later with iOS 11 or later
detailsS3 dual-core chip
GPS + GLONASS + Galileo + QZSS support
Altimeter (barometric), optical heart rate sensor, accelerometer, gyroscope, compass
materials
colors
connectivity
bluetooth4.2
codecsSBC, AAC
wired_connectorNone
app_support
battery
capacity279
lifeUp to 18 hours
chargingWireless magnetic charging
audio
driversBuilt-in speaker + microphone
technologiesStandard audio for smartwatch (calls, Siri, notifications)
protection
ip_rating50 m water resistance confirmed
water_resistance50 m (ISO 22810)
tracking
uwbNo
bleYes (Bluetooth Low Energy via Bluetooth 4.2)
beeperHaptic feedback + speaker alerts
replaceable_batteryNo
controls
indicators
ledsStatus/charging via watch UI
platform_features
ports
descriptionNone
standards
warranty
term1 year limited (standard Apple)
sustainability
materialsOlder model; materials and support reflect its release era