Swiss 18 carat rose gold open faced lever watch Circa 1908

Rose gold lever by Patek Philippe
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A fine and rare Swiss 18 carat rose gold open faced keyless lever pocket watch, circa 1908. Retailed by Gondolo & Labouriau, Relojoeiros, Rio de Janeiro. Lever movement, manual, jeweled. White enamel dial with Roman hours and Arabic minutes. Plain case. Movement, dial and case signed, cuvette signed and numbered.Comes with an Extract from the Archives confirming production of the present watch in 1908 and its subsequent sale on 15 September 1908, presentation box and service slip case.
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Diameter: 51 mm
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Signed: Patek, Philippe & Cie Genève – Chronometro Gondolo – Fabricado Expressamente Para Gondolo & Labouriau, Relojoeiros, Rio de Janeiro