285. 285Y Audemars Piguet. Montre bracelet en or jaune 18K (750) mouvement automatique Audemars Piguet. An 18K gold automatic wristwatch Model: Star Wheel Reference: 25720BA Date: Circa 1990 Movement: 33-jewel Cal.2124 automatic, adjusted to heat, cold, isochronism and 5 positions, No.375715 Dial: Foliate engraved gold sector with white minute chapter between 10 and 2, hour graduation on three rotating translucent sapphire discs with printed Arabic numerals Case: Brushed and polished round, screw down exhibition case back, No.D11385 Strap/Bracelet: Blue alligator leather Buckle/Clasp: Signed 18K gold buckle Signed: Case, dial & movement Size: 36mm Weight: 54,08g Inspired by a 17th-century papal clock, the Star Wheel was unusual and, produced in small numbers, was never expected to rival the Royal Oak for popularity. It never came close to it, either, and was discontinued within five years of its launch. However, the brand's unique take on the wandering-hours display kept showing up sporadically in its more unusual lines, usually produced in limited numbers, all the way until 2000, the year the Le Brassus watchmakers celebrated 125 years of business.