MOVEMENT:�Japanese Quartz Movement� CASE DIAMETER:�46mm X 46mm THICKNESS:�18.5mm� DIAL COLOR:��Black Radar Dial�with Index printing on Crystal CASE MATERIAL:�Solid 316 stainless steel, Thick PVD Black Coating .. BRACELET:�Special Shape Rubber Strap with Insignia Buckle FRONT GLASS:�Synthetic Sapphire BACK GLASS:�Solid Case back with Detail Engraving CLASP TYPE:�Buckle with insignia