A constant companion in the toughest of environments. Luminox's Mariner 6250 series of watches are crafted to withstand the most miserable of conditions on land and at sea. A thick leather strap conforms comfortably to the wrist without break-in time. Luminox's renowned borosilicate glass capsule superluminous Night Vision Tube illumination needs no external light source to charge the watch dial – providing constant illumination for 25 years. An extremely attractive stainless steel case features a one-way rotating diver bezel and substantial anti-reflective (and virtually scratch-proof) sapphire glass and easy-to-read numerals. This watch is water resistant up to 200 meters.316L stainless steel case with brushed finishSapphire crystal with double-sided anti-reflective coatingRonda 715 lith HH6 quartz movement200m water resistanceNight Vision Tube illumination (25 years)