Brand, Seller, or Collection Name:BIDEN Model number:0047-TIAODING Part Number:0047-TIAODING Model Year:2018 Item Shape:Round Display Type:Analog Clasp:Buckle Case material:alloy Case diameter:3.80 centimeters Case Thickness:0.90 centimeters Band Material:Stainless steel Band length:Men's Standard Band width:2 centimeters Band Color:Silver Dial color:Silver Bezel material:Copper Bezel function:Calendar Calendar:Date Special features:Backup battery, Shock resistant Movement:Japanese quartz Water resistant depth:30 Meters