Piaget Polo Date watch, 36 mm. 150th anniversary watch. Steel case set with 60 brillant-cut diamonds (approx. 0.97ct). Dial with hour-markers set with 36 brilliant-cut diamonds (approx. 0.08 ct). Sapphire crystal case back. Interchangeable rubber bracelet. Manufacture 500P1 automatic mechanical movement. Limited edition of 300.