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Brand | apple | apple | apple |
Model | apple Watch edition series 6 | apple Watch series 7 | apple Watch series 3 |
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Announced | 2020 September 15 | 2021 September 14 | 2017 September |
Status | Available. Released 2020 September 18 | Available. Released 2021 October 15 | Available. Released 2017 September |
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Device Body | glass front ( sapphire crystal ) | ceramic/sapphire crystal back | titanium frame | glass front | ceramic/sapphire crystal back | stainless steel frame | glass front ( sapphire crystal ) | ceramic/sapphire crystal back | stainless steel frame |
Dimensions | 44 x 38 x 10.7 mm ( 1.73 x 1.50 x 0.42 in ) | 45 x 38 x 10.7 mm ( 1.77 x 1.50 x 0.42 in ) | 42.5 x 36.4 x 11.4 mm ( 1.67 x 1.43 x 0.45 in ) |
Weight in gram | 41.3 | 42.3 | 52.8 |
SIM card | eSIM | eSIM | eSIM |
Water Resistance | 50meterwater resistant | 50meterwater resistant | 50meterwater resistant |
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Display type | Retina LTPO OLED | 1000 Luminance units ( the peak ) | Retina LTPO OLED | 1000 Luminance units ( the peak ) | Retina OLED | 1000 Luminance units ( the peak ) |
Display resolution | 448 x 368 pixels ( ~326 pixel per inch density ) | 484 x 396 pixels ( ~326 pixel per inch density ) | 390 x 312 pixels ( ~303 pixel per inch density ) |
Display size | 1.78 inches | 1.9 inches | 1.65 inches |
Display Protection | sapphire crystal glass | sapphire crystal glass | sapphire crystal glass |
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Operating System | watchos 7.0 | upgradable to watchos 10.6 | watchos 8.0 | upgradable to watchos 11.2 | watchos 4.0 | upgradable to 8.7 |
CPU | Dual-core | Dual-core | Dual-core |
Chipset | apple s6 | apple s7 | apple s3 |
GPU | powervr | powervr | powervr |
Memory card | No | No | No |
Memory v1 | 32gb 1gb RAM | 32gb 1gb RAM | 16gb 768mb RAM |
Memory v2 | | | |
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Primary camera |
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Secondary camera |
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Loud speaker | Yes | Yes | Yes |
Audio jack | No | No | No |
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WLAN | Wi-Fi 802.11 b/g/n | dual-band | Wi-Fi 802.11 b/g/n | dual-band | Wi-Fi 802.11 b/g/n |
Bluetooth | 5.0 | a2dp | le | 5.0 | a2dp | le | 4.2 | a2dp | le |
GPS | | | Yes with a-gps glonass |
NFC | Yes | Yes | Yes |
Radio | No | No | No |
USB | No | No | No |
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Sensors | accelerometer | gyroscope | heart rate | barometer | always-on altimeter | compass | spo2 | vo2max | accelerometer | gyroscope | heart rate | barometer | always-on altimeter | compass | spo2 | vo2max | accelerometer | gyroscope | heart rate | barometer |
Battery | Li-lon 303.8 mAh ( 1.17watt per hour ) | Non-removable | Li-lon 309 mAh ( 1.19watt per hour ) | Non-removable | Li-lon 341 mAh ( 1.34watt per hour ) | Non-removable |
Battery Charge | wireless | wireless | 0-80% in 45 min ( advertised ) | wireless charging |
Colors | titanium color, black color gradations | graphite color, gold, silver | black color gradations, silver |
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Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | | | |
Network speed | hspa lte | hspa lte | hspa 42.2/5.76 mbps lte |
GPRS | | | |
EDGE | | | |
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Approx price |  680 GBP 814 EUR 8000 NOK 8500 SEK 51700 RUB 830 USD 4350 BRL 1190 AUD 1080000 KRW 111000 JPY 1140 SGD 3670 MYR 3030 AED 13900 ZAR
| - 260 GBP
- 318 EUR
- 3070 NOK
- 3300 SEK
- 19800 RUB
- 320 USD
- 1670 BRL
- 460 AUD
- 420000 KRW
- 43000 JPY
- 440 SGD
- 1410 MYR
- 1160 AED
- 5300 ZAR
| - 590 GBP
- 706 EUR
- 6920 NOK
- 7300 SEK
- 44600 RUB
- 720 USD
- 3760 BRL
- 1030 AUD
- 940000 KRW
- 96000 JPY
- 990 SGD
- 3170 MYR
- 2620 AED
- 12000 ZAR
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