Patek Philippe, Ref. 5036J, Annual Calendar Moonphase Automatic, 18K Case and Bracelet, Circa 2000s Case: 36mm, 18K YG, two-piece, exhibition screw down caseback Dial: matte ivory, luminous gold Roman markers, power-reserve and date apertures, day, month, moonphase registers; luminous gold leaf hour/minute, blued-steel sweep seconds hands Movement: Patek Philippe caliber 315/199 automatic, 37 jewels, 18K gold rotor, 48-hour power reserve, quickset calendar and moonphase functions, nickel finished Swiss lever, free-sprung gyromax balance, No. 3145238 Band: Patek Philippe signed18K bracelet, 15 links with signed fliplock deployment Signed: dial, case, movement, clasp