Dubois Dépraz DEPRAZ-5100

DEPRAZ-5100 is an automatic module manufactured by Dubois Dépraz. It adds a perpetual calendar with moon phase display to a base caliber, with indicators for day, month, and leap year. The module measures 5.20 mm thick with a 26.20 mm diameter. It includes center seconds and is notable for combining two traditional horological complications in a compact add-on module.