Reactor Mens Gamma 2 - Titanium Case & Bracelet - Black Dial - Never Dark - 300MThe Gamma 2 Series from Reactor builds on the best selling Gamma Stainless by reducing the weight by 40% and featuring Never Dark illumination that keeps the watch visible 24 7 regardless of light. This premium model is crafted from titanium and is fitted with a Swiss quartz movement with date. With solid forged cases and casebacks, solid screwbars, and screw down crown, a Reactor watch will never let you down. In our out of the water. Unidirectional