Combat B57

43mm Forged 316L Surgical grade stainless steel case Military grade Titanium Carbide gunmetal PVD hard coating Heat treated case to increase metal hardness 22mm lug width Bead blast finish for extra durability 13.6mm including domed sapphire 51.5mm lug to lug length with curved lug profile 13.5mm case thickness including domed sapphire crystal. 200 meters water resistance Swiss made Ronda 515 movement (12H format) 4 Year battery life Anti-shock movement mounting system Curved sapphire with military grade inner AR coating Solid double diamond sealed threaded caseback Threaded crown with double Viton® seals. High tech Viton® gaskets 2 military straps with gunmetal PVD hardware: One leather and one heavy grade gray nylon Anti-reflective matte black California dial MDV® Luminous Technology custom developed grade X1 Swiss C3 GL (green glow) in 30 layers. Premium, diamond-cut hands with X1 grade Super-Luminova Lifetime free battery changes, seal cleaning and pressure testing Limited and numbered series of 200 worldwide 2 year limited warranty Designed, assembled by hand and fully tested in Ohio