Swiss gold open faced pocket watch with chronograph Circa 1920

Gold lever pocket watch by Ulysse Nardin
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A very fine, heavy Swiss gentleman’s pocket watch with chronograph Compteur and 30-minute counter, circa 1920.
Bridge movement, rhodium-plated, with Geneva striping decoration, very finely ground and bevelled chronograph steel parts, ratchet wheel, lever escapement, fine adjustment, and gold screw compensation balance. Plain polished 18K gold case, cuvette with engraved signature Ulysse Nardin Locle, all chronograph functions are operated by the pusher. Silvered dial with Breguet-style radial hours, outer minutes/seconds track with Arabic five minutes/seconds numerals, subsidiary dial for the seconds, 30-minute counter, and blued steel pear hands.
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Diameter: 50 mm
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Weight: 77 g
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Signed: Ulysse Nardin Locle & Genève
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Counter (Compteur)
Generally speaking, an instrument which counts and/or records. Chronograph totalisers are counters which indicate the number of revolutions made by the chronograph hand: 30, 45 or 60-minute totaliser / 12-hour totaliser.