Blancpain 6654.P.4

The Blancpain caliber 6654.P.4 is an automatic movement measuring 32 mm in diameter and containing 35 jewels. It operates at a frequency of 28,800 vibrations per hour, has a silicon hairspring and offers a power reserve of 72 hours, with sweep seconds, date, day, month and moon phase functions. This caliber powers the Bathyscaphe Quantième Complet Phases de Lune.