Engineering:Apple Watch Series 2

Apple Watch Series 1/Series 2

Developer	Apple Inc.
Product family	Apple Watch
Type	Smartwatch
Generation	Second
Release date	Series 1 and Series 2: September 16, 2016 (2016-09-16)
Discontinued	Series 1: September 21, 2018 (2018-09-21) Series 2: September 12, 2017 (2017-09-12)
Operating system	watchOS 3 (release) watchOS 4 watchOS 5 watchOS 6 (current)
CPU	Series 1: Apple S1P Series 2: Apple S2
Display	OLED 38mm 33.96 mm (1.337 in) diagonal, 272×340 pixels, 326 dpi '42 mm 38.96 mm (1.534 in) diagonal, 312×390 pixels, 326 dpi
Dimensions	Series 1 and Series 2: 38 mm 38.6 mm × 33.3 mm × 10.5 mm (1.52 in × 1.31 in × 0.41 in) 42 mm 42 mm × 35.9 mm × 10.5 mm (1.65 in × 1.41 in × 0.41 in)
Predecessor	Apple Watch (1st Generation)
Successor	Apple Watch Series 3

The Apple Watch Series 1 and Apple Watch Series 2 are the second-generation models of the Apple Watch and was released on September 16, 2016. They use the Apple S1P and Apple S2 SIPs (System in Package), respectively, and the Series 2 has a built-in GPS and twice the display brightness of the previous generation for easier outdoor readability. The Apple Watch Series 1 and 2 requires at least an iPhone 5 with iOS 10 or later.

Features

Apple Watch Series 2 introduces water resistance at a rating of 50 meters. It can keep track of the number of laps and distance during Swimming workouts. During swimming, the touch function can be manually disabled with 'Underwater mode'. Once this is turned off, by rotating the Digital Crown continuously, it uses the speaker to expel residual water through a series of 10 vibrations. The Apple Watch Series 2 has a built-in GPS system. The most recently used apps are saved in the background, so apps and information load faster. The Apple Watch Series 2 was sold in casings of anodized Aluminium, starting at $369, and polished Stainless Steel, starting at $549 .The Series 1 was sold only in Aluminium, with a starting price at $269. The Series 2 still needs to be charged nightly, with an advertised 18 hours of battery life, in line with its predecessors. The display is also brighter, from 450 nits to 1000.

Software

The Apple Watch Series 1 and 2 was first released with watchOS 3 preinstalled and is still compatible today with the newest version, watchOS 6.1. However, both Series 1 and 2 will not receive watchOS 7 which is due in the fall of 2020.

Confusion

The Apple Watch Series 1 and Series 2 watches were released at the same time and have faster processors than the first-generation model, but the Series 2 has GPS, waterproofing for swimming workouts, and has a 1000-nit display. However, with the exception of the faster processor, the Series 1 makes little to no changes from the 1st generation. The first-generation Apple Watch is commonly called the Series 0 by the surrounding communities, but Apple itself doesn't use this name, instead referring to the Series 0 as "Apple Watch (1st generation)".

External links

• – official site