Piaget Classic with onyx dial in 18k yellow gold. Manual. Ref 6822 K 30. Circa 1980's Fine Pre-owned Piaget Watch. Certified preowned Classic Piaget Classic 6822 K 30 watch is made out of yellow gold on a Gold weave band with a 18k Yellow Gold Clasp buckle. This Piaget watch has a 22 x 26 mm case with a Oval caseback and Black Plain dial. Circa: 1980s . 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. If you have inquiries about this Piaget Classic watch please call us toll free at 800-705-1112 and be sure to reference W521949. Watch is in Very Good condition.