Material: Alloy. Watch Length: 7.7\" Please use a watch band removal tool to resize the band. Case Dia: 1.57\'\' Japanese Quartz Movement, provide precise and accurate time keeping. Big Arabic Number Dial,Simple Outlook,Easy and Accurate for watching. Daily water resistant-3ATM You could wear it when washing hands or in rainy day. But please don\'t wear it when taking shower or swimming. Comes with a watch box printed brand name \"JSDDE\".