German 18K gold hunting cased lever pocket watch Circa 1903

Gold gentlemen’s watch with monogram
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A rare German 18 carat gold hunting cased keyless pocket watch, circa 1930. Plain case in the manner of an anker chronometer with monogram BK on the back and a unique enamelled cuvette showing a gold diggers map of the Langlaagte in Johannesburg, Gold Fields Mining area, A. White enamel dial with Roman hours numerals, an outer minute track, sunk subsidiary seconds at 6 o’clock and original gold spade hands. Quality 1A precision movement with a lever escapement, gold screwed chatons, a diamond endstone, gold lever, gold escape wheel and fine adjusting device. Dial signed, movement signed and numbered. Accompanied by an Extract from the Archives and the original presentation box with a spare mainspring.
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Diameter: 54 mm
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Weight: 150 g
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Signed: A. Lange & Söhne Glashütte B/Dresden