Men Military Quartz Sports Diver Cool Mens Watches Black This is an original Janan PC21S quartz watch, origianl Japan battery, 30 meters water resistant The 3 small sub dials & 2 pushers are just decorative, without functions. This is VERY important. Advanced manufacturing technology; All Stainless Steel Buckle and Watchband; High Scratch Resistant Crystal; Original JAPAN Time Module Quartz Movement Case Diameter: 4.3cm Case Thickness: 1.25cm Band Length: 26 cm Band Width:2.1cm