Notably, the LTE Apple Watch appears to share a similar form factor as the Apple Watch Series 2. The model demoed in the Apple Watch app is a Space Gray model with a black Sport band. The Digital Crown is accented with an attractive red surface, which would help to easily identify the fact that it sports a new LTE wireless chip inside.
https://9to5mac.com/2017/09/08/ios-...le-watch-with-new-face-and-digital-crown/amp/