Reactor Mens MX Tritium Watch - Black Case - Blue Dial - Rubber Strap- 200MDive to new depths with confidence with the Reactor MX, featuring 14 Swiss tritium tubes that will glow continuously for up to 25 years, a stainless steel case with black IPB plating and unidirectional rotating bezel, blue dial, and black strap made of silicone and rubber. Swiss Tritium illumination tubes at all 12 hour markers as well as on the hour and minute hand will glow continuously up to 25 years without exposure to light or depleting the