A Stainless Steel Ref. 150 Wristwatch, RGM Professional, 42.00 mm case diameter, matte black dial signed RGM, luminous Arabic numerals with outer chapter ring of luminous dot and baton numerals, subdial for seconds at 6 o'clock, luminous white skeleton hands, polished circular case with fluted bezel, concave lugs, screw on exhibition case back with sapphire crystal, Cal. Unitas 6498 manual wind 17 jewel movement in a modified configuration with fausses ctes finish and blued screws signed RGM, black leather strap, steel tang buckle.Accompanied by an inner case, outer box, paper instruction manual, and certificate, all signed RGM.