Pequignet caliber Calibre Royal DD

Calibre Royal is Pequignet's in-house movement. It features a single large barrel with a power reserve capped at 88 hours. The rotor winds bidirectional - and the manual winding system de-clutches when the oscillating weight is in motion. Calibre Royal is available in a number of configurations. The example here features small seconds, a power reserve indicator, and day and big date displays.