Tech review of Apple Watch Series 1

Apple Watch Series 1: a technical overview based on VRM24’s recorded device data.

Design and display

Type: Smart watch; Announced: 2016, September; Dimensions: 42.5 x 36.4 x 10.5 mm (1.67 x 1.43 x 0.41 in); Weight: 30 g (1.06 oz); Display: Retina OLED; Size: 1.65 inches; Resolution: 390 x 312 pixels; Protection: Ion-X strengthened glass.

Display size and resolution describe the viewing format; brightness, colour accuracy and durability require separate testing.

Platform and memory

OS: Watch OS 3.0; Chipset: Apple S1P; CPU: Dual-core Cortex-A7 520 MHz; GPU: PowerVR G6200; RAM: 512 MB; Storage: 8 GB; Memory card: No.

The chipset and memory describe the hardware configuration. They do not establish measured speed, gaming performance or current software support.

Cameras

Rear camera: No; Front camera: No.

These are the recorded camera specifications. Image quality and stabilisation cannot be judged from resolution alone.

Battery and connections

Battery model: A1578 / A1579; Battery capacity: Li-Ion 250 mAh; Charging port: Wireless charging; Headphone jack: No; Interfaces: Wi-Fi 802.11n, Bluetooth 4.0, NFC; Networks: No; SIM: No.

Battery capacity is not a measured runtime. Charging speed, battery condition and compatibility of replacement parts need separate verification.

What the specifications tell us

Use this overview to compare the recorded configuration with your needs. It does not provide benchmarks or hands-on performance measurements.

Apple Watch Series 1: A1578 is the supplied battery identifier for the 38 mm case (watch A1802); A1579 is for the 42 mm case (watch A1803). These are different size variants, not interchangeable alternatives. Check the case size and original battery label.