Brand: Invicta Model number: 21387 Part Number: 21387 Item Shape: Round Dial window material type? : Synthetic sapphire Display Type: Analog Clasp: Fold-Over Clasp with Safety Case material: Stainless steel Case diameter: 36 millimeters Case Thickness: 11 millimeters Band Material: Stainless steel Band length: Women's Standard Band width: 18 millimeters Band Color: Gold Dial color: Silver Bezel material: Stainless steel Bezel function? : Stationary Calendar? : Day and date Movement? : Swiss quartz