Samsung Watch 6 Classic R955 43mm

DISPLAY
Type	1.3″ Super AMOLED, 432 × 432 px (≈453 ppi), sapphire crystal
Features	Always-On Display, rotating bezel
BODY & BUILD
Frame	Stainless steel, sapphire front
Dimensions	≈ 42.5 × 42.5 × 10.9 mm
Weight	≈ 52 g (without strap)
Ingress	IP68 water/dust & MIL‑STD‑810H
PLATFORM
OS	Wear OS 4 → upgradeable to Wear OS 5 (One UI Watch 6)
Chipset	Samsung Exynos W930 (5 nm, dual‑core 1.4 GHz)
Memory	2 GB RAM + 16 GB internal storage
FEATURES
Sensors	Heart rate, ECG, SpO₂, Bioelectrical impedance, temperature, accelerometer, barometer, gyro, compass, light, 3D Hall sensor
Connectivity	Bluetooth 5.3, Wi‑Fi dual‑band, eSIM (LTE variant), NFC, GPS (GLONASS, Galileo, BDS)
Audio	Built‑in speaker & mic for Bluetooth calling
BATTERY
Capacity	≈ 300 mAh
Battery Life	≈ 30 hours typical (Always-On display); ≈ 40 h with AOD off
Charging	10 W wireless fast charging