Ths Luminox Sport Timer watch combines an automatic movement with a sporty vintage look. This model is water-resistant up to 200 meters and has a sapphire crystal. The 42 mm stainless steel case is encompassed by a rotating stainless steel and ceramic bezel. A screw-down crown and a screw-down case back complete the classic appearance. The automatic model is robust and versatile, whether in everyday life or on special occasions. Series Sport Timer 0920 Origin Swiss Made Always Visible Constant glow for up to 25 years in any light condition Size/Diameter 42mm Water Resistance 200 meters, 20 ATM, 660 feet, individually tested Movement SW-220 Battery/Battery life Case Stainless steel 316L case Bezel 316L stainless steel with black ceramic ring, uni-directional turning bezel Case back 316L stainless steel, transparent, screw in Crystal Sapphire crystal with anti-reflection coating Crown 316L stainless steel, screw down, protected crown Height 13mm Weight 95gr with leather strap, 185gr with stainless steel bracelet Standard Strap FE2401.20Q Black leather strap with off-white stitching and Luminox signature buckle, 24/22mm FM2405.ST Stainless Steel bracelet with stainless steel signature buckle, 24/22mm 2 Year Limited Warranty10 Year Warranty for Tritium Tubes