Girard-Perregaux Tourbillon with Three Flying Bridges Bucherer BLUE

The Girard-Perregaux Tourbillon with Three Flying Bridges Bucherer BLUE, reference 99296-21-3128-5GX, has a 44 mm titanium case measuring 15.3 mm thick. A tourbillon with small seconds has a lyre-shaped titanium cage with a blued hand. Self-winding calibre GP09400-1988 contains 27 jewels and runs at 21,600 vibrations per hour (3 Hz), with a power reserve of 60 hours. The skeletonised movement has a white gold micro-rotor and bridges that act as the main plate. Sapphire front glass and a sapphire box display back reveal the construction, while the case is rated to 30 metres. A calf leather strap has a titanium triple folding clasp. Limited to 18 pieces, this Bucherer BLUE edition has blue markings on the barrel and bridges.