Senator “Up and Down” is a wristwatch by Glashütte Original.
This watch is equipped with the self-winding movement Calibre GO 39 with hours, minutes and seconds indication, hacking seconds, quickset date feature, power reserve indicator (here called “Up and Down”) and moon phase.
In the meantime there is a new version of the watch with the calibre GO 100 and with panorama date.
Reference:
:New version:
Movement:
Case:
Dial:
Functions:
Bracelet: