Network | Technology | No cellular connectivity | No cellular connectivity | No cellular connectivity |
---|---|---|---|---|
2G bands | N/A | N/A | N/A | |
GPRS | No | No | No | |
EDGE | No | No | No |
Launch | Announced | 2014, September. Released 2015, April | 2016, September. Released 2016, December | 2016, September. Released 2016, December |
---|---|---|---|---|
Status | Discontinued | Discontinued | Discontinued |
Body | Dimensions | 42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in) | 42.5 x 36.4 x 10.5 mm (1.67 x 1.43 x 0.41 in) | 42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in) |
---|---|---|---|---|
Weight | 50 g body (2.82 oz) | 30 g body (1.06 oz) | 52.4 g body (1.83 oz) | |
Build | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame | Glass front, composite plastic back, aluminum frame | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame | |
SIM | No | No | No | |
IPX7 water resistant up to 1 meter and 30 minutes | IPX7 water resistant up to 1 meter and 30 minutes | 50m water resistant |
Display | Type | Retina OLED, 450 nits (peak) | Retina OLED, 450 nits (peak) | Retina OLED, 1000 nits (peak) |
---|---|---|---|---|
Size | 1.65 inches | 1.65 inches | 1.65 inches | |
Resolution | 390 x 312 pixels (~303 ppi density) | 390 x 312 pixels (~303 ppi density) | 390 x 312 pixels (~303 ppi density) | |
Protection | Sapphire crystal glass | Ion-X strengthened glass | Sapphire crystal glass | |
3D Touch display | 3D Touch display | 3D Touch display |
Platform | OS | watchOS 1.0, upgradable to watchOS 4.3.2 | watchOS 3.0, upgradable to watchOS 6.2.8 | watchOS 3.0, upgradable to watchOS 6.2.8 |
---|---|---|---|---|
Chipset | Apple S1 (28 nm) | Apple S1P (28 nm) | Apple S2 (16 nm) | |
CPU | 520 MHz Cortex-A7 | Dual-core 520 MHz Cortex-A7 | Dual-core 780 MHz Cortex-A7 | |
GPU | PowerVR SGX543 | PowerVR G6200 | PowerVR G6200 |
Memory | Card slot | No | No | No |
---|---|---|---|---|
Internal | 8GB 512MB RAM | 8GB 512MB RAM | 8GB 512MB RAM |
Main Camera | Modules | No | No | No |
---|
Selfie Camera | Modules | No | No | No |
---|
Sound | Loudspeaker | Yes | Yes | Yes |
---|---|---|---|---|
3.5mm jack | No | No | No |
Comms | WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
---|---|---|---|---|
Bluetooth | 4.0, LE | 4.0, LE | 4.0, A2DP | |
Positioning | No | No | GPS, GLONASS | |
NFC | Yes | Yes | Yes | |
Infrared port | No | No | No | |
Radio | No | No | No | |
USB | No | No | No |
Features | Sensors | Accelerometer, gyro, heart rate | Accelerometer, gyro, heart rate | Accelerometer, gyro, heart rate |
---|---|---|---|---|
Natural language commands and dictation | Natural language commands and dictation | Natural language commands and dictation |
Battery | Type | Li-Ion 250 mAh (0.94 Wh), non-removable | Li-Ion 250 mAh (0.94 Wh), non-removable | Li-Ion 334 mAh (1.27 Wh), non-removable |
---|---|---|---|---|
Charging | Wireless | Wireless | Wireless |
Misc | |||
---|---|---|---|
Colors | Stainless Steel/Red, White, Brown/Black/Blue/Marine Blue Buckle, Blue/Stone/White/Storm Gray Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon | Case colors: silver, gold, rose gold, gray Band colors: brown, white, black, blue Band types: sport |
Sport band: silver case/white, black case/black Leather band: silver case/blue, brown, orange Stainless Steel band: silver case/silver, black case/black |
Models | A1554 | A1803 | A1758 |
Price | About 700 EUR | About 300 EUR | About 700 EUR |
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