Display
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Retina LTPO OLED display
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Ion-X front glass
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Up to 1,000 nits maximum brightness
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326 pixels per inch
Chip
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S8 SiP with 64‑bit dual-core processor
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2-core Neural Engine
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32GB capacity
Sensors
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Second-generation optical heart sensor
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Compass
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Always-on altimeter
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High-g accelerometer
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High dynamic range gyroscope
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Ambient light sensor
Material and Finish
Aluminium case
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Midnight
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Starlight
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Silver
Size and Weight
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44mm
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Height: 44mm
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Width: 38mm
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Depth: 10.7mm
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Weight (GPS):32.9 grams
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Weight (GPS + Cellular):33 grams
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Fits 140–245mm wrists
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40mm
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Height: 40mm
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Width: 34mm
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Depth: 10.7mm
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Weight (GPS):26.4 grams
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Weight (GPS + Cellular):27.8 grams
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Fits 130–200mm wrists
