Proving that toughness doesn't sacrifice style is the Reactor Critical Mass collection with classic styling and precise timekeeping. Featuring a unidirectional rotating bezel, triple o-ring screw down crown for superior water resistance, free floating lug system for a comfortable fit on any wrist, and Superluminova hands and markers to ease readability in low light conditions.

• Brushed Finished Case and Bracelet with Polished Genuine Gold Plated Accents
• Silver Sunburst Dial with Day and Date between the 4 and 5 o'clock position
• Unidirectional Rotating Bezel
• Chronograph with Minutes, Seconds and 24 Hour Dial. Adjustable "0" Chronograph Starting Point.
• Solid, Forged 316L Stainless Steel Case and Caseback
• Solid Screwbar to Case Attachment
• Extra Thick Hardened Mineral Glass Lens
• Triple O-Ring Screw Down Crown System
• Superluminova on Hands and Markers
• Swiss quartz movement
• Shock Resistant Movement Holder
• Square Profile Caseback Seal
• Over-Sized Screw Down Crown
• Double Push Button Fold Over Safety Clasp
• Water Resistant to 200 Meters (660 Feet)
• 40mm Case Width (Approximately 1 9/16")
• 13.2mm Case Thickness (Approximately 1/2")
• Weight: 198 Grams