Network     Technology     
GSM / HSPA / LTE
Launch     Announced     2018, August
Status     Available. Released 2018, August
Body     Dimensions     49 x 46 x 13 mm (1.93 x 1.81 x 0.51 in)
Weight     63 g (2.22 oz)
Build     Glass front (Gorilla Glass DX+), stainless steel frame 316L
SIM     eSIM
     MIL-STD-810G compliant*
50m water resistant (IP68)
Compatible with standard 20/22mm straps
*does not guarantee ruggedness or use in extreme conditions
Display     Type     Super AMOLED
Size     1.3 inches, 10.8 cm2 (~48.1% screen-to-body ratio)
Resolution     360 x 360 pixels, 1:1 ratio (~278 ppi density)
Protection     Corning Gorilla Glass DX+
     Always-on display
Rotating bezel
Platform     OS     Tizen-based wearable OS 4.0
Chipset     Exynos 9110 (10 nm)
CPU     Dual-core 1.15 GHz Cortex-A53
GPU     Mali-T720
Memory     Card slot     No
Internal     4GB 768MB RAM, 4GB 1.5GB RAM
     eMMC
Camera           No
Sound     Loudspeaker     Yes
3.5mm jack     No
Comms     WLAN     Wi-Fi 802.11 b/g/n
Bluetooth     4.2, A2DP, LE
GPS     Yes, with A-GPS, GLONASS
NFC     Yes
Radio     No
USB     No
Features     Sensors     Accelerometer, gyro, heart rate, barometer
     Natural language commands and dictation
Samsung Pay
Battery     Type     Li-Ion 472 mAh, non-removable
Charging     Qi wireless charging
Stand-by     Up to 72 h (mixed usage)
Misc     Colors     Silver 46mm, Midnight Black 42mm, Rose Gold 42mm
Models     SM-805U, SM-805W, SM-815U, SM-815W, SM-R805F, SM-R805N, SM-R815F, SM-R815N, SM-R805