Epure Oursin timepiece in white gold, diamonds, blue sapphires and lacquer.“Je ne Sonne que les Heures Heureuses” engraved case-back with sapphire crystal opened on the movement. Limited Edition. Blue alligator strap. Automatic movement from the Manufacture Girard-Perregaux, oscillating weight angled by hands and open-worked with Boucheron master’s seal. Thanks to the most talented jewelers and watchmakers, those art timepieces offer a rarerichness, the result of exceptionally diverse techniques and savoir-faire.