The signature of the Girard Perregaux tourbillon’s are the uniquely crafted Golden Bridge which holds the movement in place. The Girard Perregaux Vintage 1945 Three Golden Bridged Tourbillon which is based on the design of a 1945 watch features three Golden Bridge’s; one to hold the tourbillon in place, one to hold the hands in place and the third to hold the platinum micro-rotor. The case is made of pink gold with an alligator strap, the watch is a limited edition with only fifty being made.