Finish:

Aluminium

Rose Gold
Silver
Space Grey
Jet Black
Titanium
Slate
Gold
Natural
Dimensions:

Height: 42mm
Width: 36mm
Depth: 9.7mm
Case Weight (Aluminum, GPS): 30.3g
Case Weight (Aluminum, GPS + Cellular): 29.7g
Case Weight (Titanium): 34.6g
Audio:

Speaker
Microphone
Media playback
Controls:

Digital Crown with haptic feedback
Side button
Double tap and wrist flick gesture
Siri with on-device processing
Display:

Always-On Retina display with wide-angle OLEDs and LTPO3
Ion-X front glass with 2x scratch resistance (aluminum cases)
Sapphire front crystal (titanium cases)
Up to 2,000 nits peak brightness
1 nit minimum brightness
326 pixels per inch
Chip:

S10 SiP with 64-bit dual-core processor
4-core Neural Engine
64GB capacity
Health & Wellness

Blood Oxygen app
ECG app
Cycle Tracking app with retrospective ovulation estimates
Heart Rate app
High and low heart rate notifications
Irregular rhythm notifications
Medications app
Mindfulness app with state of mind tracking
Noise app
Sleep app including sleep stages
Sleep score
Sleep apnea notifications
Hypertension notifications
Sensors:

Electrical heart sensor
Third-generation optical heart sensor
Blood oxygen sensor
Temperature sensor
Compass
Always-on altimeter
High dyanmic range gyroscope
High-g accelerometer
Ambient light sensor
Depth gauge up to 6 meters
Water temperature sensor
Safety:

Emergency SOS
International emergency calling
Crash Detection
Fall Detection
Noise monitoring
Backtrack
Durability:

Water resistance 50m (swimproof)
Dust Resistance IP6X
Connectivity and Communication:

L1 GPS, GNSS, Galileo, QZSS and BeiDou
5G and LTE
Wi-Fi 4 (802.11n)
Bluetooth 5.3
Second-generation Ultra Wideband chip
Apple Pay
GymKit
Support for Apple Watch For Your Kids
Power and Battery Life:

All-day battery life, up to 24 hours of normal use
Up to 38 hours in Low Power Mode
Built-in rechargeable lithium-ion battery
Fast-charge capable
Up to 80% charge in about 30 minutes
15 minutes for up to 8 hours of normal use
5 minutes for up to 8 hours of sleep tracking