Mondaine Doppio Solar Skeleton A hole cut in the centre of the dial, so the thing powering the watch is the thing you look at
Finds
- Citizen Eco-Drive One AR5065-54W The whole watch is 3.88 millimetres thick
- Mondaine Doppio Solar Skeleton A hole cut in the dial so you can watch it drink the light
- Helios Plug-in solar potential calculator for any British address
- Aootek Motion-Sensing Solar Fence Lights Dim until something moves, then bright enough to actually see by