Brand: Invicta Model number: 13964 Part Number: 13964 Model Year: 2011 Item Shape: Round Dial window material type : Synthetic sapphire Display Type: Analog Clasp: Fold-Over Clasp with Safety Case material: Stainless steel Case diameter: 48 millimeters Case Thickness: 12 millimeters Band Material: Two-tone stainless steel Band length: Men's Standard Band width: 22 millimeters Band Color: Silver Dial color: Black Bezel material: Stainless steel Bezel function : tachymeter Calendar : Date Movement : Japanese quartz