Model : Polished Stainless Steel Case, Metallic Black Dial, Steel Polished Steel Dart / Roman Markers on Leather Strap complete with Insignia Deployant Buckle with Movement: Japanese Miyota 9015 Automatic movement, 24J 28800bph, Bridges and Engraving Modified to Original Montblanc Calibre MB29.14 Appearance Functions: Hours, Minutes, Date (6 Subdial), Moonphase (Set via recess pusher at 5.00) Date at 6.00 : Adjustment via Crown, Dimensions : Dia 41mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display case back with detail insignia engraving Crown : One-piece solid screw down crown with o ring Crystal: - Sapphire crystal, AR Coated Water-resistant