Wednesday, April 11, 2007

Piaget Polo Tourbillon Relatif

Ref. G0A31123. Silvered dial, white gold applied Arabic numerals and hour-markers. 18-carat white gold case. Manual-winding tourbillon movement, Manufacture Piaget 608P. Movement thickness: 3.28 mm. Movement thickness including hand fitting: 9.14 mm. Caging diameter: 11 1/2''' (dia 25.60 mm). 27 jewels. 21,600 vph. Oscillating organ - diameter of balance: 7.75 mm. Approximately 70-hour power reserve. Flying tourbillon: the minute hand, which has its centre of rotation at the centre of the watch, performs one complete rotation per hour. The tourbillon carriage, suspended on the minute hand, spins once per minute on its own axis. Tourbillon carriage: 3 titanium bridges. Mass of the tourbillon carriage: 0.2 g. Mainplate, bridges and carriage bevelled and drawn out by hand with a file. Finishing: circular C?tes de Gen?ve, blued screws. Black alligator leather strap. 18-carat white gold folding clasp.