Swiss 18k gold half hunting cased lever watch Circa 1888

A Swiss 18 carat gold half hunting cased keyless lever watch, circa 1888. 14”’ Manual winding jeweled movement with nickel lever moustache escapement, cut bimetallic compensation balance and index regulator. 18 Carat yellow gold engraved and numbered cuvette. White enamel dial, Roman numerals and subsidiary seconds. Case with stylized monogram ‘RJ’ engraved to the back. Case, dial, movement and cuvette signed. With a Patek Philippe Extract from the Archives confirming production in 1888 and sale on August 14th, 1890.
–