A high-complication masterwork, the Blancpain Villeret 6659-3631-MMB features a perpetual calendar programmed for centuries ahead without manual adjustment, paired with patented under-lug correctors that leave the case flanks seamless.
Housed in a 42mm 18K red gold case on a solid mesh bracelet, its self-winding Caliber 5939A holds 3 mainspring barrels delivering 192 hours of autonomy.
