Swiss 18k gold chronograph keyless lever watch Circa 1907

Gold lever by Patek Philippe
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A pink gold hunting cased chronograph keyless lever watch, circa 1907. Lever movement, cut bimetallic compensation balance, moustache escapement, white enamel dial, Breguet numerals, two subsidiary dials for constant seconds and 30-minute register, outer minute and 1/5 second track, 18k pink gold case engraved with initial CL, chronograph pusher to the band at 12 o’clock, case, dial and movement signed.
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Diameter: 51 mm
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Signed: Patek Philippe & Co Genève
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With a Patek Philippe Certificate of Origin, an Extract from the Archives, an extra crystal and a presentation box.