Piaget Gouvenour Altiplano Triple Calendar Ref 15958 18k Yellow Gold. Round men's bracelet watch with triple calendar and moon phase. White structured dial with golden applied stick indexes. Moon phase at six o'clock. Original Piaget buckle. Automatic movement. Movement No. 881903, Ref. 15958. Cal. 8532, Case No. 579838. Needs servicing. Dial, movement, case and buckle signed. Ø 33 mm. L 21 cm. Weight 51.34 g. La Côte-aux-Fées, Switzerland.