Why shouldn't the date be quickset at night?

What does quick date-setting mean?

Quick date-setting allows you to set the date independently of the time.

To do this, the crown is usually pulled out to the first position. The date can then be advanced step by step, without having to turn the hands over 24 hours several times.

Important: Don't use the quick date-setting function during the automatic date change. This period is usually roughly between 9 p.m. and 3 a.m.

During this phase, the mechanism is already working on the date change. Adjusting it manually can put strain on the movement or damage it.