A. Lange & Sohne 148.038 Zeitwerk Date

The Zeitwerk is the first mechanical wristwatch showing the time with digital display with jumping hour and minutes. To power 1608 jumps in 24 hours, the movement is fitted with a very thick mainspring to produce and support enough torque needed for the jumps, and a remontoire that can deliver an equal torque every minute to create the disc jump.

The Zeitwerk date has a date ring outside of the dial and the current date is highlighted in red. It also now has button at 8 to adjust the date and at 4 to set the hour.

The watch is large at 44.2mm however it is slightly slimmer than the original Zeitwerk. And it now has a longer 72-hour power reserve.