[WTS] Vacheron Constantin Patrimony Retrograde Day-Date 4000U/000P-H003 Platinum 42.5m

[WTS] Vacheron Constantin Patrimony Retrograde Day-Date 4000U/000P-H003 Platinum 42.5m Location: U.S.A. / South Carolina Condition: This beautiful timepiece comes with the outer black box, inner black box, passport booklet, warranty card, dated September 2023, and both hangtags.  The Calibre 2460 R31R7/3 uses a complex system of cams and springs to make both the day and date hands instantly jump back at month’s end, a precise mechanism few manufactures attempt because of the engineering diffic...