Japanese High quality movement. Long Battery Life.</br>Come with date display?? colorful light functions. Date?? Week Display. Alarm Function.</br>5ATM water resistant (waterproof 50M). Please don't press button under water.</br>Material: high-quality titanium case ( not fade & not allergic ). Case cover: thick hardened mirror glass?? German glass high hardness ?? wear resistance ?? compressive strength?? heat resistance with imported glue?? waterproof effects special good. Case back: stainless steel?? stainless steel buckle. Strap: German BASF original silicone strap ?? plus feel the spray oil?? soft and comfortable?? anti-static dust. Case size: 40 * 46 mm. thickness : 11 mm.Length : 240 mm</br>Band Length: