Ca. Ø56mm, ca. 124g, 18K gold, case number 276415, dome marked Chronometro Gondolo, movement number 172595, top quality Patek Philippe Ankerchronometer movement, gold wheels, patented fine adjusting device, wolf's toothing, moustache lever, extra large chronometer balance, signed original enamel dial (slightly visible hairline in the seconds scale) blued Breguet steel hands, in good condition, in working order, largest case version of the Gondolo series.