Swiss gold full hunter chronograph with recorder Circa 1910-1920

Gold hunting cased chronograph watch with minute recorder
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A Swiss, gold keyless winding hunting cased pocket watch with chronograph and minute recorder, circa 1910-1920. Made by A. Lugrin & Cie/Lémania, L’Orient-de-l’Orbe (Vallée de Joux) and La Chaux-de-Fonds, for the Société Horlogère, Basel.
Gilded brass movement, going barrel, straight line lever escapement, cut bimetallic compensated balance and blued steel hairspring with a terminal curve, index regulator; chronograph work on the top plate. Round-shaped 18 Carat yellow gold case, inside case back engraved in taille-douce (fine-cut) Bernard Broggi / Delémont. White enamel dial with suspended Breguet-style numerals, outer minutes/seconds track, original yellow gold Pear hands, and two horological complications: • 1/5 second chronograph (activated by the single olive shaped push piece located on the case band at 12 o’clock) • Half instantaneous 30 minute recorder (subsidiary dial at 3 o’clock). Cuvette (dome) signed.
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Diameter: 52mm
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Signed: A. Lugrin & Cie / Lémania