Display
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44mm
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368 by 448 pixels
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977 sq mm display area
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40mm
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324 by 394 pixels
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759 sq mm display area
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Retina LTPO OLED display
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1000 nits brightness
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Chip
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S5 SiP with 64-bit dual-core processor
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W3
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Apple wireless chip
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Dimensions
40mm
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Height: 40mm
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Width: 34mm
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Depth: 10.7mm
44mm
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Height: 44mm
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Width: 38mm
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Depth: 10.7mm
Power
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Built-in rechargeable lithium-ion battery
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Up to 18 hours
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USB-C magnetic charging cable
Finishes
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Aluminum
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Silver
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Space Gray
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Gold
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Apple Watch Nike available in silver and space gray aluminum.
Features
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GPS, GLONASS, Galileo, and QZSS
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Compass
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Always-on altimeter
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Water resistant
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50 meters1
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Second-generation optical heart sensor
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International emergency calling3
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Emergency SOS2
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Accelerometer
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up to 32 g-forces with fall detection
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Gyroscope
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Ambient light sensor
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Speaker
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Microphone
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Apple Pay
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Gym Kit
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Capacity 32GB
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Ceramic and sapphire crystal back
