Model : Polished Stainless Steel Case, Black Frame / Skeleton Dial Steel trianglular Hour Markers, Leather strap with Insignia Double Fold Deployant BuckleMovement: Asian Automatic 2813, 21J, Calendar Complications Functions: Hours, Minutes, , Date )Retrograting Indicator over Half Fan Dial (Set via recess Pusher at 10.00) , Day -Subdial at 6.00 (Set via recess pushers on Case side, 4.00) Dimensions : Dia 44.5mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Back : Display Caseback with Serial Engraving Crown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal, Water-resistant