Luminox Navy Seal XS.3583 Chronograph Quartz 200M Men’s Watch Big, bright, bold and totally brilliant, the Luminox Navy Seal XS. 3583 comprises several upgraded features designed to beat the toughest obstacles, including weather. Whether you are training at the gym or on an expedition, you can always push yourself to the limits. The carbon composite case is one tough nut to crack and is magnificently light in its weight.