the Fitbit mobile app
This clockface displays full time (with seconds that can be hidden) and date. Tap to rotate battery level, steps and heart rate.
All my clocks: http://bit.ly/2QUjXu9
The time appears in 12 or 24 hour mode depending on your Fitbit account settings. The bluetooth icon serves as the connection indicator. It disappears when disconnected. Vibrations with each connection status. Language support for dates (English, French, Spanish, German, Italian, Dutch).
AOD enabled (Versa 2 only); option to tap top screen to turn off and on (all) (may affect battery)
Weather location, temperature and conditions are also displayed, and provided by OpenWeatherMap. Choice of frequency updates. Configurable date format, weather provider, temperature unit, foreground and background colour options.