The Vacheron Constantin Patrimony Moonphase And Retrograde Date: price in white gold as shown, $39,000. Movement, caliber 2460 R31L, in-house; automatic caliber 27.2mm x 5.4mm. 40 hour power reserve, running in 27 jewels at 28,800 vph. Retrograde date, hours, minutes, 122-year moonphase with disk in 18k gold. Case, 18k white gold, 42.5mm x 9.7mm and 30m water resistant. See the entire Patrimony Collection at