| Case Sizes | 42mm / 46mm | — |
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| Display | OLED Retina, up to 30% more screen area than Series 9 | AMOLED or solar-charging display, both in 45 mm and 50 mm |
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| Chipset | Apple S10 (Sawtooth cores from A16 Bionic) | — |
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| Battery Life | 18 hours | — |
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| Health Sensors | HR, SpO2, ECG, FDA-approved sleep apnea detection, water depth/temperature | — |
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| OS | watchOS 10 | — |
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| Battery (smartwatch mode) | — | AMOLED up to 24 days; solar models "unlimited" under Garmin test conditions (3 hours a day outdoors at 50,000 lux) |
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| Durability | — | Metal-reinforced bezel, fiber-reinforced polymer case, scratch-resistant display, MIL-STD 810, water-rated to 100 m |
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| Light | — | Built-in LED flashlight on every model (variable intensity, red light, strobe) |
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| Navigation | — | Multi-band GPS with SatIQ, TracBack routing, altimeter, barometer, 3-axis compass |
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| Health | — | Heart rate, Pulse Ox, HRV status, sleep monitoring, women's health tracking |
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| Payments | — | Garmin Pay |
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| Price | — | AMOLED from $449.99; solar from $399.99 (suggested retail, launch) |
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