Franck Muller Crazy Hours 30th Anniversary

The Franck Muller Crazy Hours 30th Anniversary, reference 7880 CH 30TH CD, has a jumping hour in a 36 x 50.4 mm 18-carat rose gold case. The guilloché dial has a sun pattern and 20 layers of translucent lacquer, and is set with 25 brilliant-cut diamonds totalling 0.09 carats. The hand-polished case is 11.6 mm thick, with a sapphire crystal and 30 metres of water resistance. Self-winding calibre FM 2800-CHR has a bidirectional rotor, 274 components and 19 jewels. Its balance runs at 28,800 alternations per hour, and the calibre has a 42-hour power reserve. A hand-sewn alligator strap closes with a hand-polished 18-carat rose gold pin buckle.