Used Apple Watch Series 4 44mm Cellular Singapore
NETWORK
Technology
GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA
4G bands LTE
Speed HSPA, LTE
GPRS Yes
EDGE Yes
BODY
Dimensions 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight 48 g (1.69 oz)
Build Stainless Steel frame; all-ceramic/sapphire crystal back
SIM Electronic SIM card (eSIM)
– 50m waterproof
– ECG certified (USA only)
DISPLAY
Type LTPO AMOLED capacitive touchscreen, 16M colors
Size 1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)
Resolution 448 x 368 pixels (~326 ppi density)
Protection Sapphire crystal glass
– 3D Touch display
– 1000 nits
PLATFORM
OS watchOS 5.0
Chipset Apple S4
CPU Dual-core
GPU PowerVR
MEMORY
Card slot No
Internal 16 GB
CAMERA No
SOUND
Loudspeaker Yes
3.5mm jack No
COMMS
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, QZSS
NFC Yes
Radio No
USB No
FEATURES
Sensors Accelerometer, gyro, heart rate (2nd gen), barometer
– Audio player
– Photo viewer
– Siri natural language commands and dictation (talking mode)
BATTERY
Non-removable Li-Ion battery
Stand-by Up to 18 h (mixed usage)
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