Piaget. An uncommon and exceptional Piaget dual time-zone in 18k white gold retailed by Asprey Model: Dual Time Material: white gold Reference N°: 612104 Year: 1970 Case N°: 288437 Caliber: 6P1 Movement N°: 764343-764470 Bracelet: Leather Strap Dimensions: 24 Signed: Dial, Case and movement