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 40 diamonds = 7,19 cts Crown: 1 diamond briolette = 0.06 cts Dial: semi-pavé dial with mother-of-pearl guilloché center Open sapphire case back Self-winding mechanical movement, 40 hrs power reserve