RM055 BUBBA WATSON TOURBILLON LIMITED EDITION <<Model : PVD Black Coated Brushed Stainless Steel Engineered Casework , Black Ceramic Top Frontal and Back Clad on, Custom Made Skeleton Dial, Lume Dot Markers on Rubber Strap with Tang Buckle, White Inner Bezel Movement: Custom Modified Asian Handwind MovementFully Decorated Functions: Hours, Minutes, Secs Dimensions : Width 43mm x Height 50mm x 17mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick PVD Black CoatingBack : Display case back with Detail Serial Engraving Crown : One-piece Pull Out Crown with o ring Crystal : Sapphire Crystal Water-resistant