PIAGET EMPERADOR REF.9131Brand Model Reference Period Movement Case Bracelet Dial Hour markers Hands Caseback Origin Description Piaget Emperador 9131 1980s Manual winding mechanical 18 kt white gold Integrated 18 kt white gold, hand carved Diamond pav Emeralds White gold 18 kt white gold, screw down Switzerland A refined expression of Piagets high jewellery watchmaking from the 1980s, this Piaget Emperador Ref. 9131 perfectly embodies the maisons ability to merge design,