The original Watch (later called Series 0) was released April 24, 2015, after years of rumors. While there was a lot of initial hype around it, the 3rd party watchOS apps were slow to launch due to API limitations. Native apps were available in watchOS 2. The original watch came in 38mm and 42mm sizes.
The Series 2 Watch was released on September 16th, 2016 along with a Series 1 Watch. The Series 2 included the S2 chip, built-in GPS, and water-proof construction. The Series 1 included the S2, but lacked GPS and waterproofing.
The Series 3 Watch was released on the September 22nd, 2017, and it included an LTE option and the S3 chip.
The Apple Watch Series 5 was announced during Apple’s fall event on September 10, 2019. Customers were able to purchase the device later that day, and it was released on September 20. The headline feature for this model is the first-ever, always-on display. The new display will always show the time and complications. The new Apple Watch is also the first to include a built-in compass.
Apple is also bringing international emergency services to every cellular model. The Series 5 also brings back ceramic white, and new natural brush and space black titanium models.
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