Gold Watch no. 13005

Case: Yellow gold, hunting, cover winding Dial: Movement: Nickel, bi-metallic balance with blued steel balance spring with Breguet overcoil, 18 jewels, cover winding Provenance: 1873 - Haas Neveux, Geneva dated "December 5, 1873" 1999 - Antiquorum, 13 Nov 1999, est CHF2-2,400, sold CHF3,450, "B. Haas Jne & Cie, Besancon, Paris - Geneve, - Fournisseur Brevete de S. M. Lempereur - No. 13005, circa 1874 Very fine and rare 18k gold hunting cased, keyless watch, Remontoire Perpetuel, English Patent No. 3945, dated December 5, 1873 C. Four body, massive, " bassine et filets", fully engraved in a star-and-heart pattern, the cover centred with a small engraved monogram, the back with a small rosette. Hinged gold cuvette decorated with medals awarded at the Exhibition in Paris in 1867 D. White enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Gold paste-set hands. M. 18, nickel plated, 18 Jewels, straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring. Haas patented winding device by opening and closing the cover Diam. 48mm. Accompanied by copies of the original patents. Notes B. Haas invented a perpetual calendar mechanism, Patent No. 2870 from September 30, 1872 and a form of winding where the mainspring was wound by opening the front cover of a hunting cased watch. Patent 3945 from December 2, 1873. (Patent for Inventions. Abridgements of Specifications. Class 139, Watches, Clocks and Other Timekeepers, His Majesty's Stationery Office, London, 1905.).This watch was certainly produced in 1874 and therefore was one of the very first ever made, fitted with the invention of keyless winding for hunting cased watches, operated by opening and closing the cover."