CASE & DIAL Features: Stainless Steel Case with Sand Blasted Finish in Black PVD or Solid Stainless Stainless Steel Wrist Pins with Real Screws Screw Down Case Back Water Resistant to 20 ATM 660 Feet Japanese LumiNova on Dial and Hands No Date Display Stainless Steel Fixed Bezel Alloy Movement Holder Screw Down Crown One Year Warranty Black & Green Nato Straps included Dimensions: Watch Dimensions: 42 mm x 42 mm (1.65 in) Bezel Diameter: 43 mm (1.7 in) Distance Between Lugs: 22 mm (0.9 in) Watch Case Length: 54 mm (2.1 in) Thickness: 15 mm (0.6 in) Weight: 120 g MOVEMENT Seiko NH35A hacking movement (More Info) 41-Hour power reserve 24 Jewels LENS Sapphire crystal with AR coating STRAP Black rubber WARRANTY One year Product Code: CO-AIR How an Automatic Watch Works