| Display | 1.43" AMOLED, 466 x 466 pixels, 326 ppi, 60Hz, 600 nits | Flat crystal, up to 3000 nits |
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| Chip | BES 2700BP | — |
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| Memory | 32MB RAM + 4GB ROM | — |
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| Case | Aluminum alloy frame, stainless steel bezel, Corning glass; interchangeable bezel (extra bezels sold separately) | — |
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| Size | 47 x 47 x 12 mm, 44 g without strap | — |
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| Strap | Fluororubber, 140-210 mm adjustable | — |
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| Battery | Up to 15 days typical use (Android), up to 14.5 days (iOS), up to 5 days with always-on display; 486 mAh, 2-pin magnetic charging dock | Up to 36 hours; up to about 60 hours in low-power mode |
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| Water Resistance | 5 ATM | WR100 / EN13319, recreational dives to 40 m |
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| Positioning | Dual-band L1+L5 GNSS: GPS, BeiDou, GLONASS, Galileo, QZSS | — |
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| Connectivity | Bluetooth 5.2, Bluetooth calling, NFC (Mastercard terminals, varies by region) | Cellular, dual-frequency GPS (L1 + L5) |
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| Sensors | Heart rate with blood oxygen, accelerometer, gyroscope, compass, barometer, ambient light, hall sensor | — |
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| Sports Modes | 150+ sports modes | — |
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| Compatibility | Android 8.0 or later, iOS 12.0 or later | — |
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| Colors | Black, Silver | — |
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| Case Size | — | 49mm titanium |
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| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
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| OS | — | watchOS 10 (at launch) |
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