Girard-Perregaux La Esmeralda Tourbillon

The Girard-Perregaux La Esmeralda Tourbillon, reference 99275-53-000-BA6E, has a white gold case measuring 44 mm across and 14.55 mm thick. A tourbillon with small seconds shares the sapphire-covered display with hours and minutes. Self-winding calibre GP09400-0016 contains 27 jewels and has a power reserve of 60 hours. The movement runs at 21,600 vibrations per hour (3 Hz), with a barrel sized for a longer spring. The case is rated to 30 metres and has a sapphire display back revealing the platinum micro-rotor. A black alligator leather strap fastens with a white gold triple folding clasp.