Breguet 77F1

AutomaticIn ProductionIn-house
Family: 77xx40 jewels55h power reserve28,800 vph (4 Hz)

The Breguet Caliber 77F1 is an automatic movement with a diameter of 27.07 mm and features 40 jewels. It operates at a frequency of 28,800 vibrations per hour and offers a power reserve of 55 hours, with sweep seconds, date, GMT, and world time functions. This caliber powers the Marine Hora Mundi 5555, Marine Hora Mundi 5557, and Classique Hora Mundi 5719 models.