L'Heure du Diamant Round Medium, 35.75 mm diameter 18-carat rose gold case and 18-carat rose gold bracelet with folding buckle Prong-setting with 24 diamonds = 5.45 cts Crown: 1 diamond briolette = 0.06 cts Dial: Tiger's Eye Open sapphire case back Self-winding mechanical movement, 40 hrs power reserve