| Display | 1.4-inch always-on touchscreen memory LCD, 280 x 280, 64 colors, sapphire glass | Super AMOLED with full-colour always-on display; 1.47-inch (44 mm) or 1.34-inch (40 mm, 46 mm Classic); sapphire crystal; up to 3,000 nits (Samsung claim) |
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| Body | 50.3 x 50.3 x 16 mm; 87 g with silicone band, 70 g with nylon band; Grade 5 titanium alloy bezel with PVD coating; 26 mm quick-fit bands (nylon and silicone both included); 10 ATM water resistance (surface water activities, not diving) | 8.6 mm thick and 30-34 g (Watch8); 10.6 mm and 63.5 g (Classic); 5ATM + IP68 / MIL-STD-810H |
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| Battery | Up to 36 days of daily use; up to 118 hours of full GPS; up to 73 hours in All Systems GPS mode; up to 43 hours in All Systems dual-frequency mode (up to 22 hours with offline music playing); under 2 hours to charge | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Positioning | All-satellite dual-frequency GNSS chipset; GPS, GLONASS, Galileo, BeiDou, QZSS | — |
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| Storage | 32 GB (about 1,200 hours of outdoor activity data, plus offline maps and music) | — |
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| Sensors | Optical heart rate monitor, optical pulse oximeter, electrical heart rate sensor for HRV and wellness checks, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer | — |
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| Navigation | Downloadable global offline maps (Landscape and Topo layers), turn-by-turn directions, checkpoints, Back-To-Start, deviation alert, touchscreen map control, safety alerts | — |
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| Controls | Touchscreen, tactile buttons, a digital dial and a dedicated backlight button | — |
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| Operating temperature | -30 to 50 C (-22 to 122 F) | — |
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| Connectivity | Bluetooth, Wi-Fi and the COROS app for data sync and firmware updates; offline music playback with supported Bluetooth headsets | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Sports | Climbing, snow sports with auto ski-touring transition, ultra-running, mountaineering with storm alert and altitude mode, plus Effort Pace, EvoLab, training plans and Virtual Pacer | — |
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| Sizes | — | Watch8 in 40 mm and 44 mm (Graphite, Silver); Watch8 Classic in 46 mm (Black, White) |
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| Chipset | — | Exynos W1000 (5-core, 3 nm) |
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| Memory / Storage | — | 2 GB memory, 32 GB or 64 GB storage depending on model |
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| OS | — | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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