39mm Forged 316L Surgical grade stainless steel case Bead blast finish for extra durability Military grade Titanium Carbide gunmetal PVD hard coating Rotating bezel and steel insert with luminous PIP 39mm case width 20mm lug width 43.5mm lug to lug length with curved lug profile 10.7mm thickness including sapphire 300 meters water resistance Solar powered VS42A movement from Japan Just 1 minute of sunlight produces a full day of power 6 months power reserve on full charge (5 hours sunlight) Anti-shock movement mounting system 2mm thick sapphire with double side military grade AR coating Threaded solid 316L stainless steel caseback Threaded crown with double Viton® seals. High tech Viton® case gaskets Nylon military style strap with matched bead blasted gunmetal PVD hardware Drilled lugs for easy strap changes Translucent black solar dial X1 grade Super-Luminova C3 green glow Premium, diamond-cut hands with X1 grade Super-Luminova MDV Luminous Technology on dial and hands Lifetime free battery changes, seal cleaning and pressure testing Limited and numbered series of 500 worldwide 2-year limited warranty Designed, assembled by hand and fully tested in Ohio