Brand: Seiko Item Shape: Round Dial window material type: Scratch resistant sapphire Display Type: Analog Clasp: Fold-Over Push-Button Clasp with Safety Case material: Stainless steel Case diameter: 40.5 millimeters Case Thickness: 9.8 millimeters Band Material: Stainless steel Band width: 18 millimeters Dial color: Black Bezel material: Stainless steel Bezel function: Stationary Calendar: Date Special features: Chronograph Movement: Japanese quartz Water resistant depth: 330 Feet