Seen on Twitter, a prototype of an Apple Watch Series 2 with a modem. It’s an interesting prototype since the cellular version didn’t appear until the Series 3.
This watch features a specific color (gold stainless steel, introduced with the Series 4) and a cellular modem, which debuted with the Series 3. According to the author, this option was abandoned at the time due to poor reliability and overheating issues.
The distinctive red crown
