PATEK PHILIPPE REF 5078 MINUTE-REPEATER BLACK DIAL PLATINUM Patek Philippe, GenËve, Minute Repeater, No. 1904208, case No. 4456634, Ref. 5078P-010. Sold January 7th, 2010. Extremely fine and rare, elegant, self-winding, minute-repeating, platinum wristwatch with black dial and a platinum Patek Philippe buckle. Accompanied by, Certificate of Origin, solid platinum case back, and a leather folder with technical data and instructions. Three-body, solid, polished, transparent case back, inclined bezel, concave lugs, sapphire crystals. Black with white radial roman numerals, outer minute divisions, subsidiary seconds dial. White feuille hands. Cal. R 27 PS, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cÙtes decoration, 39 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, 22k gold micro-rotor, shock absorber, self-compensating free-sprung flat balance spring, repeating on gongs by activating slide on the band.