Extremely rare German gold perpetual lever watch Circa 1893

Gold hunting cased pocket watch by A. Lange & Söhne
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An extremely rare complicated German 18 carat pink gold perpetual pocket watch, circa 1893. A. Lange & Söhne precision lever movement, gold lever, gold escape wheel, very rare automatic self winding system, registered design 8972. Original white enamel dial with black Arabic hours, red Arabic minutes, sunken subsidiary seconds, sunken subsidiary power reserve indication and original pink gold Louis XV hands. Probably replaced plain case. Dial signed, movement signed and numbered.
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Diameter: 54 mm
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Weight: 140 g
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Signed: A. Lange & Söhne Glashütte B/Dresden
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Only 38 of these extremely rare complicated pocket watches were made by A. Lange & Söhne in the period of 1891-1920.