| Display | 1.43-inch 466x466 OLED always-on (326 ppi) plus ultra-low-power display, sapphire crystal cover | Flat crystal, up to 3000 nits |
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| Chipset | Snapdragon W5+ Gen 1 (4nm SoC + 22nm co-processor) | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| RAM | 2GB | — |
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| Storage | 32GB | — |
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| Battery | Up to 90 hours (Smart Mode) / up to 45 days (Essential Mode), 628 mAh typical | Up to 36 hours; up to about 60 hours in low-power mode |
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| OS | Wear OS by Google (Wear OS 3.5) | watchOS 10 (at launch) |
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| Water Resistance | 5ATM, MIL-STD-810H | WR100 / EN13319, recreational dives to 40 m |
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| Connectivity | Bluetooth 5.2, Wi-Fi 2.4 GHz, NFC | Cellular, dual-frequency GPS (L1 + L5) |
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| GNSS | GPS, BeiDou, GLONASS, Galileo, QZSS | — |
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| Sensors | Accelerometer, gyro, HD PPG heart rate, SpO2, skin temperature, off-body, barometer, compass | — |
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| Case | Stainless steel, 7000-series aluminum, nylon with fiberglass, 24 mm fluororubber strap | — |
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| Dimensions | 50.15 x 48.0 x 11.95 mm | — |
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| Weight | 44.7 g without band | — |
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| Colors | Obsidian, Slate | — |
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| Case Size | — | 49mm titanium |
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| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
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