Frederique Constant Highlife Tourbillon Perpetual Calendar Manufacture 41 mm FC-975BL4NH6B luminescence Bezel: 166 diamonds set into

Bezel: 166 diamonds set into its bezel and bracelet

and the engravings

while the outer minute track is presented in turquoise

Lug to Lug: 39

Frederique Constant Highlife Tourbillon Perpetual Calendar Manufacture 41 mm FC-975BL4NH6B luminescence Bezel: 166 diamonds set intoThis highly exclusive limited edition version of the Highlife Tourbillon Perpetual Calendar Manufacture is housed in a steel case just 41mm in diameter. Only 88 of these refined steel versions with a blue dial were produced; as is traditional for the Highlife collection, each will come with a number of interchangeable straps. Three will be provided for this piece: one in nubuck calfskin, one in steel, and one in rubber, allowing wearers to change