Prohunter GMT....Upgraded to Superlume !!!! Ultimate Supreme Version !!! 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....Model :Thick PVD Black Coated Polished Stainless Steel 316F New Oversize Case, Black dial, Superlume Dot Markers and Needles, Gold Indexes/Needles/Bezel Numbers and Crown Brushed Thick PVD Black Coated New Style Oyster Style Stainless Steel Bracelet,Ceramic Sandwich Numeral Bezel, 24 Clicks Uni -directional . Engraved ROLEXROLEX on rehaut with M serial numbers, Correct New Rolesor Clasp Osyter / Diver extension with Serial number inscribed on end links .Movement:Nickle Plated Swiss Eta 2836-2 Modified to Rolex Calibre 3187 Markings and Bridges, 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, Thick PVD Black Coating, 18K Champagne Gold Plating on Crown Back : Solid case back with Hollogram Crown : One-piece screw down crown with o ring Crystal: Sapphire crystal, Same Thickness and Height about Bezel as per the Genuine. Water Resistant