Apple named the operational system for its watch Watch OS. Its first version was released as OTA-updating, and the developer Steve Troughton-Smith who has recently shown us the tool for making of screenshots AppleWatchStore, has carefully examined this software.
The first evident thing is division of weaving into two different units. They are intended for devices with identifiers Watch1,1 and Watch1,2; that is Apple Watch 38 mm and Apple Watch 42 mm respectively.
The second thing that should be mentioned is a presence of PowerVR SGX543 driver. SGX543 driver was used in devices with Apple A5 processor – iPad 2 and iPhone 4S.
And the most interesting fact is that the software for Apple TV, Watch OS is developed on iOS base, and namely on iOS 8.2 base, where the Carousel is started instead of SpringBoard.
Within less than a decade, from the bulky mechanism the gadget has became a superthin device (the thickness of iPhone is 6 – 6,9 mm).