I was thinking in terms of the lack of an RTC on the Pi. Maybe somebody could design and build some sort of Rolex HAT. The RTC could be provided by the Rolex.

I was thinking in terms of the lack of an RTC on the Pi. Maybe somebody could design and build some sort of Rolex HAT. The RTC could be provided by the Rolex. The Rolex could be synced with NTP and wound/powered by the Pi.