Apple Watch (1st generation) | Specification

Apple Watch (1st generation) | Specification

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Apple Watch (1st generation) introduced in 2015, and marked Apple's entrance into the smartwatch market, revolutionizing wearable technology. The watch is available in two sizes: 38mm (model A1553) and 42mm (model A1554), catering to different wrist sizes and preferences.

Featuring a stunning Retina OLED display with 450 nits peak brightness, the Apple Watch 1st generation delivers vibrant colors and sharp visuals, making it easy to read notifications and interact with apps.


Apple Watch (1st generation)

Running on watchOS 1.0, the watch can be upgraded to version 4.3.2, offering users access to a wide range of apps and features. Powered by the Apple S1 chipset, which uses a 28nm process, the watch runs smoothly with its 520 MHz Cortex-A7 CPU and PowerVR SGX543 GPU.

With 8GB of internal memory and 512MB of RAM, the watch provides ample space for storing apps, music, and fitness data. It also supports various health and fitness tracking features, making it an ideal companion for active individuals.

Specification of 42mm A1554 Models:

Network Technology No cellular connectivity
Launch Announced 2014, September. Released 2015, April
Status Discontinued
Body Dimensions 42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in)
Weight 50 g body (2.82 oz)
Build Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
  IPX7 water resistant up to 1 meter and 30 minutes
Display Type Retina OLED, 450 nits (peak)
Size 1.65 inches
Resolution 390 x 312 pixels (~303 ppi density)
Protection Sapphire crystal glass
  3D Touch display
Platform OS watchOS 1.0, upgradable to 4.3.2
Chipset Apple S1 (28 nm)
CPU 520 MHz Cortex-A7
GPU PowerVR SGX543
Memory Card slot No
Internal 8GB 512MB RAM
Camera   No
Sound Loudspeaker Yes
3.5mm jack No
Comms WLAN Wi-Fi 802.11 b/g/n
Bluetooth 4.0, LE
Positioning No
Radio No
Features Sensors Accelerometer, gyro, heart rate
  Natural language commands and dictation
Battery Type Li-Ion 250 mAh (0.94 Wh), non-removable
Charging 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

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