Vacheron Constantin Style No: 4300V/120R-B509 Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin - 41.5mm Pink Gold Case - Blue Dial - Pink Gold Bracelet

41.5 mm 18K 5N pink gold case, 8.1 mm thick, blue dial, Caliber 1120 QP/1 self-winding movement with 48-month counter with leap year indication, perpetual calendar, hand-type month, moon phase, hand-type day of the week, minutes, hours, hand-type date, approximately 40 hours of power reserve, interchangeable strap in leather and rubber, 18K 5N pink gold bracelet, triple deployante buckle. Water resistant to 50 bar.