OS	Tizen OS 4.0 / One UI Watch, Samsung Tizen with 1.2" Super AMOLED 360x360 Always-On, Rotating Bezel, Exynos 9110 10nm Dual-Core, 768MB/1.5GB RAM, 4GB, Speaker/Mic Calls, 5ATM 50m Swimming, MIL-STD-810G, GPS, NFC Samsung Pay & 270mAh battery (3 Days battery)
Chipset	Samsung Exynos 9110 (10 nm FinFET Dual-Core Cortex-A53 1.15GHz & ARM Mali-T720 GPU)
RAM	768MB RAM (Bluetooth) / 1.5GB RAM (LTE Model SM-R815)
Storage	4GB Massive High-Speed Internal Storage (for Offline Spotify & Apps)
Display	1.2 inches • 360 x 360 pixels (1:1, 302 ppi Circular Super AMOLED Always-On!)
Main camera	No (Smartwatch Form Factor)
Selfie camera	No (Smartwatch Form Factor)
Battery	270 mAh Colossal High-Density Battery (1.03 Wh) (Powers 2 to 3 Days normal usage / 45 hours continuous standby!), WPC Qi Wireless Charging Dock • Non-removable Li-Ion 270 mAh
Weight	49 g (1.73 oz) (without strap)

Latest Samsung Galaxy Watch 42mm user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Tizen 5.5; SAMSUNG SM-R810) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/2.0 Chrome/69.0.3497.106 Mobile Safari/537.36	Samsung Browser 2	Tizen 5Galaxy Watch 42mm
Mozilla/5.0 (Linux; Tizen 5.5; SAMSUNG SM-R810) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.106 Mobile Safari/537.36	Chrome Mobile 69	Tizen 5Galaxy Watch 42mm
Mozilla/5.0 (Linux; Tizen 4.0; SAMSUNG SM-R810) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/2.0 Chrome/56.0.2924.0 Mobile Safari/537.36	Samsung Browser 2	Tizen 4Galaxy Watch 42mm
Mozilla/5.0 (Linux; Tizen 4.0; SAMSUNG SM-R810) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.0 Safari/537.36	Chrome 56	Tizen 4Galaxy Watch 42mm
Mozilla/5.0 (Linux; Tizen 4.0; SAMSUNG SM-R810) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.0 Mobile Safari/537.36	Chrome Mobile 56	Tizen 4Galaxy Watch 42mm