Y ROGER DUBUIS, HOMMAGE, REF. H43 5610 0AN 18 CARAT WHITE GOLD BI-RETROGRADE PERPETUAL CALENDAR CHRONOGRAPH WRIST WATCH WITH MOONPHASE, NO. 01/28, CIRCA 2003Movement: Cal. RD5610, manual wind chronograph, 21 jewelsCase: 18 carat white gold case, screw down display case back, stamped with 18 carat gold common control markDial: WhiteStrap: Roger Dubuis black crocodile strap with 18 carat white gold pin buckleSize: 43mmSigned: Case, dial, movement, crown, strap, buckleAccessories: Roger Dubuis box, certificate of origin and warranty, chronometer certificate, instruction booklet, outer card packaging Roger Dubuis launched his own brand in 1995. Before this he had an extensive career working in the watchmaking industry with other brands including Longines and Patek Philippe. The first watches were released in 1999, with their own in house built movements, all certified with a prestigious Poinçon de Genève. Since launch they have gone on to produce thirty three exclusive in house mechanical calibres. The example being offered includes multiple complications, showcasing the craftmanship and skill of the brand. These include a chronograph, moonphase and bi-retrograde perpetual calendar, showing date, day of the week, month, week of the year and leap year indication.