The Vacheron Constantin Complete Calendar Openface: white gold or pink gold, case 41mm x 10.7mm, sapphire front and back, 3 bar/30 meters water resistance. Movement Vacheron caliber 2460 QL/2 automatic complete calendar,
link Geneva Seal, 29mm x 5.45mm, 40-hour power reserve, running in 37 jewels
link at 28,800 VPH; hours, minutes, seconds; day of the week, month, date, moonphase accurate
link to one day in 122 years. Price, $47,300.