Pierre Kunz Spirit Of Challenge Moonphase Big Date in 18k rose gold on a brown alligator strap. Featuring a retrograde GMT, moonphase and big date. Automatic movement under glass. 44 mm case size. Ref pkg017fhrgd. Fine Pre-owned Pierre Kunz Watch. Certified Pre-owned Classic Pierre Kunz Spirit Of Challenge pkg017fhrgd watch on a Brown Alligator strap with a 18k rose gold tang buckle. This Pierre Kunz watch has a 44 x 44 mm case with a Round case back and Rose Stick dial. It is Certified Pre-Owned watch and comes backed by our 12-month warranty. Each watch is inspected by our in-house watchmakers before shipment including final servicing, cleaning, and polishing, if needed.