A mechanical jump hour: instead of conventional hands, the hour jumps instantly to the next number while rotating discs display the minutes and seconds.
HOGA patented its Directime system in the 1950s.
#HOGA #Directime #JumpHour #VintageWatch #Horology
A mechanical jump hour: instead of conventional hands, the hour jumps instantly to the next number while rotating discs display the minutes and seconds.
HOGA patented its Directime system in the 1950s.
#HOGA #Directime #JumpHour #VintageWatch #Horology