This is made with Reference to the Genuine SS GMT Watch...External Dimension is 1-1 as per the Genuine.... All external Parts are interchangeable with Genuine....New Alpha Numeric Serials... AR Coated Cyclob !!!!! Updated to Invisible Etched Coronet at 6.00 on Crystal as per Genuine !!!Model : Unveil in Basel 2013......Polished Stainless Steel 316F New Oversize Case, Black dial, Superlume Dot Markers and Needles, Brushed Rubber Strap with Insignia Tang Buckle, (Oyster Bracelet avail as an option)Genuine Ceramic Sandwch Black Numeral Bezel , 24 Clicks Uni -directional . Engraved ROLEXROLEX on rehaut with Alpha Numeric Serial Numbers at 6.00, Correct New Rolesor Clasp Osyter / Diver extension with Serial number inscribed on end links .Movement:Asian Clone 2836-2 Automatic Movement, 25J, 28800bph, GMT Independently AdjustableFunctions: Hours, Minutes, Seconds, and Date and GMT ( Set via Crown) Dimensions : Dia 40.5mm x 13mm Thk Material : 1 piece forged case construction, solid 316F stainless steel Back : Solid case back Crown : One-piece screw down crown with o ring Crystal: Sapphire crystal, With AR Cyclob Same Thickness and Height about Bezel as per the Genuine. Invisible Etched Crown at 6.00 on Crystal as per Genuine !!! Water Resistant QC Pics Example <<--- Click Here