Case material: Steel; Charge: Automatic; Conditions: Never worn Presentation condition : Without documents; Model: GMT Master II Price on request Gmtbroker Reference: 116710 Inside This Watch Is A Rolex Caliber 3186 Self-Winding Mechanical Movement. The Movement Is A 31-Jewel, With 28,800 Beats Per Hour. It Features A Parachrom Hairspring Which Is Less Sensitive To Shocks And Magnetism Than The Previous Pieces, Making This Watch Especially Reliable. The Case Of This Timepiece Is A Steel Rolex Oyster Design, Featuring A Beautiful Mix Of Brush Finishes On The Front And Back, With Rolex's Classic High Polish Finish Down The Sides. The Screw Down Stainless Steel Crown Uses Rolex's New "Triplock" Triple Sealing Technology, Making This Watch Water Resistant To 100 Meters (330 Feet). The Bezel Is Ceramic, With 24 Hour Markers, And Is Bidirectional. Closing Up The Front Of The Watch Is A Scratch Resistant Sapphire Crystal With A 2.5x Magnifier For the Date Aperture, Which Is Located At The 3-O'Clock Position On the Black Dial. The Hour Markers On The Dial Are Luminescent, As Are The Steel Hands. Aside From The Hour, Minute, And Second Hands, There Is Also A Green 24 Hour Hand, Which Indicates Time For A Second Zone. This Watch Is Completely Un-Worn, And Comes With The Original Box And Paper Set. The Box Is Green, And Is Contained By A White Outer Sleeve. The Watch Comes With A Rolex GMT Master-II Instruction Manual, Their Factory Service Guide, A Warranty Booklet With Official Chronometer Certification, And A Card With The Information