Diamond-set steel watch, Hermès Manufacture movement H1837, Small Moon module, diamond-set opaline silvered dial, short interchangeable strap in matte brume blue alligator Made in Switzerland Large modelDiamond-set steel case, 38 mm diameter, 99 diamonds (0.385 ct)Anti-glare sapphire crystal and case-backDiamond-set opaline silvered dial, 15 diamonds (0.036 ct)Hermès Manufacture movement H1837, mechanical self-winding movement, Small Moon module, approximately 42-hour power reserveHour, minute functions, date at 6:00, moon phase at 10:30Water-resistant to 3 bar. Avoid all contact with water while wearing your Hermès leather watch.Short single tour strap in matte brume blue alligator, steel pin buckleThe leather used for straps may vary from one model to another as they are made from natural materials. This is particularly true for alligator (the size of the scales) and calfskin (natural grain), as well as their respective colors. REF: W404086WW00