Beschreibung:

Patek Philippe. An extremely fine, very rare and large 18K gold Observatory prize-winning keyless lever chronometer with “Extra Quality” movement, Guillaume balance, power reserve indicator, Breguet numerals and original numbered box, 1st Prize awarded for 829 points at the Observatory of Geneva chronometer contest in 1914, adjusted by C. Batifolier Signed Patek, Philippe & Cie., Genève, movement no. 178’437, case no. 282’289, manufactured in 1913 Movement: cal. 22’’’, "Extra", jewelled to the centre, Guillaume balance with gold and platinum screws, adjusted by C. Batifolier, wolf’s tooth winding, blued steel balance spring with terminal curve, swan neck micrometer regulator, diamond endstone, signed Dial: white enamel, Breguet numerals, power reserve sector, signed Case: hinged gold cuvette engraved “Concours de L’Observatoire Astronomique de Genève 1914-1915, 1er Prix”, signed, engine-turned hinged back engraved with initials, 59 mm. diam., signed. With: original fitted and numbered Patek Philippe presentation box, Extract from the Achives confirming production of the present watch with enamel dial with Breguet numerals, “Extra” quality movement, power reserve indication, guilloche case back and smooth bezel in 1913 and its subsequent sale on 24 June 1916, Extract from the Observatory of Geneva stating that chronometer number 178’437 was awarded a first prize with 829 points at the chronometer trials of 1914