Designed, assembled by hand and fully tested in Ohio Forged and heat treated 316L Surgical grade Stainless Steel 43mm case Titanium Carbide gunmetal PVD hard coating Anti-fingerprint coating 22mm Lug width 200 meters water resistance 28,800BPH True GMT Miyota Japan 9075 jump hours ultra-slim automatic movement with hacking and handwinding features Timing adjusted in 6 positions after assembling for maximum accuracy Anti-shock movement mounting system Curved sapphire with military grade inner AR coating Threaded solid caseback Threaded crown with double diamond seals High tech Viton® gaskets Two military style straps included: One charcoal gray nylon and one tan leather with gunmetal PVD hardware All metal dial base with bead blasted matte PVD black finish. Diamond-cut premium hand set with back-filled X1 208LE luminous application MDV® luminous Technology custom developed grade X1 Swiss 208LE (vintage patina radium color with high luminous reactivity) on dial and hands Lifetime free timing adjustment, seal cleaning and pressure testing Limited and numbered series of 300 worldwide 2 year limited warranty