Fine German 18k gold open faced lever watch Circa 1906

Gold keyless lever by A. Lange & Söhne
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A fine German 18 carat gold open faced keyless lever watch, circa 1906. Retailed by Frederico Krüssmann. Quality 1A 3/4 plate gilt finished fully jewelled lever movement with screwed gold chatons, blued screws, finely hand engraved balance bridge, bimetallic compensation balance with gold screws, gold lever and escape wheel, micrometer regulator, diamond endstone. Gold cuvette engraved Relogio de Precisao Frederico Krüssmann. White enamel dial with Arabic numerals, gold Louis XV hands, outer railway minute divisions and subsidiary seconds. Royal case, engine turned hinged back. Case, dial and movement signed by watchmaker, cuvette signed by watchmaker and retailer.
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Diameter: 54 mm
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Signed: A. Lange & Söhne Glashütte B/Dresden