Tonneau Skeleton XL watch, Manufacture mechanical movement with manual winding, calibre 9919 MC. Platinum case, two beaded crowns each set with a blue sapphire cabochon, blued-steel sword-shaped hands, sapphire crystal and case back, blue alligator-skin strap, 18K white gold folding buckle. Dual time zone complication: two distinct hour and minute indicators, dials formed by skeletonised bridges. Individually numbered movement consisting of 197 parts including 35 jewels. Movement dimensions: 37.8 mm x 24 mm, movement thickness: 7.9 mm, balance: 28,800 vibrations/hour, power reserve approx. 60 hours. Case dimensions: 52.4 mm x 29.8 mm. Thickness: 11.9 mm. Water-resistant to 3 bar (approx. 30 metres).