Roman Umbra, where sundial meets clockface.
**No AI was used to develop this watchface**
Function: The umbra (shadow) direction is the minute, with Roman numerals for the hour.
Powersaving: Display only updates once per minute.
Configuration: Colors of the numeral (hour), umbra (minute), and background*. Size of numeral. Toggle vibration at the top of the hour and/or when bluetooth disconnects.
* On monochrome displays, the background and umbra can be set to white, black, or gray. The hour numeral can only be white or black.