Swiss Made 22-Jewel Precision ETA 251.272 Quartz Chronograph Movement Features 1/10th Second, 60 Seconds, and 30 Minutes Case in Black PVD Solid 316L Stainless Steel Bracelet in Black PVD Solid 316L Stainless Steel with Deployment Buckle and Double Lock Security Clasp Srew-Lock Crown and Screw-In Back Crown Shoulder Guard Unidirectional Ratcheted Bezel with 12 Hour Dual Time Zone and 360 Degree Compass Heading Marker Super-LumiNova Advanced Illumination System on Hands and Numbers Sapphire Scratch-Resistant Crystal Calendar Date Window Water Resistant to 100m (330ft) Has 38mm Diameter, 12mm Thickness, and Weighs 4.7oz Every watch comes with a Serial Number and 2 Year International Warranty