Swiss 18K gold doctors watch with chronograph Circa 1912

Collector’s doctor watch with open face by Longines
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A large, Swiss 18K gold doctors’ Chronometro Medical pocket watch with chronograph and 30-minute counter, circa 1912.
Very precise lever movement with special fine adjustment, chronograph, and Geneva stripes. Original enamel dial with red pulsometer scale, Arabic radial hours, outer minutes/seconds track with red five minutes/seconds numerals, subsidiary dial for the seconds, 30-minute counter, centre chronograph hand, and gold Cathedrale hands. 18K gold case with engraved monogram. Case and movement with matching number. Dial and movement signed. Dome signed and inscribed.
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Diameter: 54 mm
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Weight: 101 g
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Signed: Longines
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This pocket watch is a very rare and collectable piece. The Longines Doctors’ Chronograph’ Chronometro Medical’ was designed to provide medical professionals with a precise timing instrument to measure pulse and respiration rate.