Size and Weight
Weight (aluminium, GPS + Cellular): 29.7?grams
Weight (titanium): 34.6?grams
Weight (aluminium, GPS + Cellular): 36.9?grams
Weight (titanium): 43.1?grams
Hardware and?Buttons
Microphone with Voice?Isolation
Blood oxygen sensor and optical heart sensor
Controls
Digital?Crown with haptic feedback
Double tap and wrist flick gestures
Siri with on?device processing
Chip
S10 chip with 64?bit dual-core processor
Features
Third?generation optical heart sensor
High-dynamic-range gyroscope
Cycle Tracking app with retrospective ovulation estimates?
High- and low-heart-rate notifications
Irregular rhythm notifications?
Mindfulness app with state-of-mind tracking
Sleep app, including sleep stages
Sleep apnoea notifications?
Hypertension notifications1?
Display
Always?On Retina display with wide?angle OLEDs and LTPO3
Ion?X front glass with 2x scratch resistance (aluminium cases)11
Sapphire front crystal (titanium cases)
Up to 2,000 nits peak brightness
Connectivity
Support for 2.4GHz and 5GHz Wi-Fi networks
L1 GPS, GLONASS, Galileo, QZSS and BeiDou
Second-generation Ultra?Wideband?chip12
Supports RedCap for 5G1??and LTE1?
FDD?5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71)
TDD?5G NR (Bands n38, n40, n41)
FDD?LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71)
TDD?LTE (Bands 38, 39, 40, 41)
Support for Apple?Watch For Your?Kids2?
Power and Battery
All?day battery life, up to 24?hours of normal use3
Up to 38?hours in Low?Power?Mode3
Built?in rechargeable lithium?ion battery
Up to 80% charge in about 30?minutes1?
15?minutes for up to 8?hours of normal use1?
5 minutes for up to 8?hours of sleep tracking1?
Peace of Mind
International emergency calling1?