Gents Piaget Dancer in 18k tri-color gold. Quartz. Ref 80317 k 81. Fine Pre-owned Piaget Watch. Certified preowned Piaget Dancer 80317 k 81 watch is made out of yellow gold on a Gold Link band with a 18k Two Piece buckle. This Piaget watch has a 23 mm case with a Square caseback and Gold Dot dial. It is Gray and Sons Certified Authentic and comes backed by our 12-month warranty. Each watch is inspected by our certified in-house Swiss-trained watchmakers before shipment including final servicing, cleaning, and polishing.