Refurbished Condition. It has been tested, is fully functional and has visible signs of wear or scratches. Includes 90 Day Open Box Warranty.

Model: MWWT3AM/A

Controls:
Digital Crown with haptic feedback
Side button
Double tap gesture
Siri with on-device processing

Chip:
S10 Sip with 64-bit dual core processor
4-cor Neural Engine
64GB capacity

Sensors:
Electrical heart sensor
Third‑generation optical heart sensor
Temperature sensor1
Compass
Always‑on altimeter
High‑g accelerometer
High dynamic range gyroscope
Ambient light sensor
Depth gauge
Water temperature sensor

Health and Wellness:
Blood Oxygen app
ECG app
Cycle Traking app with retrospective ovulation estimates3
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

Display:
Always‑On Retina LTPO3 display
Wide‑angle OLED
Up to 40% brighter when viewed at an angle
Edge‑to‑edge display
Ion‑X front glass (aluminum cases)
Sapphire front crystal (titanium cases)
Up to 2000 nits maximun brightness
1 nit minimum brightness
326 pixels per inch

Power and Battery Life:
All‑day battery life, up to 18 hours of normal use
Up to 36 hours in Low Power Mode
Built‑in rechargable lithium‑ion battery
Fast‑charge capable
Up to 80% charge in about 30 minutes
15 minutes for up to 8 hours of normal use
8 minutes for up to 8 hours of sleep tracking

Operating System:
watchOS 11

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

Connectivity:
L1 GPS, GNSS, Galileo and BeiDou
LTE and UMTS11
Wi-Fi 4 (802.11n)
Bluetooth 5.3
Second-generation Ultra Wideband chip
Apple Pay
GymKit
Support for Apple Watch For Your Kids