The 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 Rotating Bezel Titanium case and bracelet with gold-tone plated accents Solid Screwbar-to-Case Attachment Triple O-Ring Screw Down Crown System Black dial with Never Dark illumination on Hands and Markers Double Push Button Fold Over Safety Clasp Swiss quartz with date display 10 Year Lithium Power Supply Water Resistant to 300 Meters (990 Feet) 45.5mm Case Width (Approximately 1 3/4") not including the crown 13.8mm Case Thickness (Approximately 1/2") Weight: 200 Grams