Brand, Seller, or Collection Name Invicta Model number 20315 Part Number 20315 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 40 millimeters Case Thickness 11 millimeters Band Material Stainless steel Band length Women's Standard Band width 18 millimeters Band Color Silver Dial color Mother of pearl Bezel material Stainless steel Bezel function Stationary Calendar Date Item weight 1.1 Pounds Movement Quartz