Swiss 18K gold keyless lever chronograph watch Circa 1910

Gold doctor’s chronograph by Girard-Perregaux
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A fine and rare Swiss 18 carat gold open faced keyless lever pocket watch with chronograph, register and pulsations scale, circa 1910. Dial, case and cuvette signed, movement signed and numbered. Hinged gold cuvette engraved with the Prize Medals. Rhodium-plated movement, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, visible chronograph work. White enamel dial with black Arabic numerals, outer minutes and fifths of a second track, an outermost red pulsations scale, subsidiary seconds at 6 o’clock, a 30-minute register at 12 and blued steel Breguet hands. Polished case, the back is engine-turned with a vacant foliate engraved cartouche, a co-axial button in the crown for the start/stop and return-to-zero functions of the chronograph.
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Diameter: 51.5 mm
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Signed: Girard-Perregaux Chaux-de-Fonds
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Girard-Perregaux SA is a luxury Swiss watch manufacturer with its origins dating back to 1791. In 2022, the management of Girard-Perregaux completed a management buyout from the French luxury group Kering. Headquartered in La Chaux-de-Fonds, Switzerland, the company opened the Girard-Perregaux Museum near its headquarters in Villa Marguerite in 1999. It is best known for the historic tourbillon with three gold bridges, which was awarded a gold medal at the 1889 International Exposition in Paris soon after the launch of the watch. Other notable models from the company include the collection 1966, Vintage 1945 and models such as the Tri-Axial tourbillon and Laureato, an icon inspired by the 70s.