Blancpain 6056-3642A-55B
Blancpain, Perpetual Calendar Classic Series, Model: 6056-3642A-55B, perpetual calendar, men's automatic mechanical watch, 38mm diameter, 18K rose gold material, date display, day of the week display, month display, annual calendar display, leap year display and moon phase function, high-end rose gold folding clasp, complete set.