Swiss nickelled silver doctor’s chronograph watch Circa 1918

Nickelled silver doctor’s watch by Omega
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A Swiss nickelled silver open faced chronograph pocket watch with pulsometer scale, circa 1918. This watch features a mechanical manual wind lever movement. It has a white enamel dial with black dauphine hours, an outer minute and fifth of a second track, an outermost pulsometer scale in black and red, subsidiary seconds at 6 o’clock, a 30 minute counter at 12, a central chronograph hand and blued steel spade hands. The case has smooth bezels, a fluted crown with an integrated pusher, an officer’s back and bevelled glass. The case, dial, and movement are signed.
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Diameter: 50 mm
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Signed: Ω Omega
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A chronograph with a pulsometer scale enables a doctor or a nurse to measure a patient’s pulse quickly. The scale is graduated from 200 to 40, with alternating colours for clear visibility of the information provided by the central hand. A similar model is displayed in the Omega Museum in Biel.
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In good overall condition, but there is a hairline on the dial at 1 o’clock, scratches and patina on the case and a reset problem.