Junghans Max Bill Automatic

27/7806.02 Junghans Max Bill Automatic Watch.
Caliber J800.1.
Automatic watch with calendar.
Steel case with sapphire crystal.
'Watches... as timeless as possible, but without forgetting time.'
This quote from Max Bill highlights his reductionist and modern aspirations.
A clear example of this is the logical design of the characteristic dial of this design icon.
And, to avoid 'forgetting time,' the watch is automatically charged using the energy generated by its wearer.