Model : SS Case, Black CX Pro Dial, Lume Dot Markers on SS Oyster Bracelet, Hollow Mid links with Divers Extension, Black Bezel Bi-directional ( Non Click) - Same Clip on Construction as the Genuine Movement: Asian 2813 Automatic Movement Functions: Hours, Minutes, Seconds, Date ( Big Date Mag - Set via Crown) Dimensions : Dia 39.5mm x 18mm Thk Material : 1 piece forged case construction, solid 316 stainless steel.. Back : Solid case back with detail Engraving .. Crown : One-piece screw down crown with o ring Crystal: Dome Plexi Plastic .. Water-resistantOpen 6 and 9