The master Grand Tourbillon features a case of 43mm, housing its automatic caliber 978. On the dial, the tourbillon escapement, visible through a cut-out at 6:00, takes center stage.Ref. 1663314 features a white gold, diamond-set case and matching bracelet. A total of of 576 diamonds (52.3 carats) is used; an additional 44 sapphires adorn the dial.
