Brand: Invicta Model number: 13689 Part Number: 13689 Item Shape: Round Dial window material type : Synthetic sapphire Display Type: Analog Clasp: Buckle Case material: Stainless steel Case diameter: 52 Case Thickness: 17 Band Material: Polyurethane Band length: Men's Standard Band width: 32 millimeters Band Color: Black Dial color: Black Bezel material: Stainless steel Bezel function : Unidirectional Calendar : Date and month Special features: Dual Time, Rotating Bezel Movement : Swiss quartz