Girard-Perregaux Laureato Fifty Three Gold Bridges

The Girard-Perregaux Laureato Fifty Three Gold Bridges, reference 99112-58S3451-1CM, has a 41 mm steel case and sapphire front glass. A tourbillon with small seconds is visible alongside three openworked white gold bridges. Self-winding calibre GP9620 contains 33 jewels and has a power reserve of 55 hours. The movement runs at 21,600 vibrations per hour (3 Hz), with the barrel and gear train arranged along a single axis. A steel bracelet has a triple folding clasp with fine adjustment. The central bridge supports the gear train and motion works, while the upper bridge supports the barrel. A platinum micro-rotor is positioned beneath the barrel.