German gold lever hunting case pocket watch Circa 1885

Interesting and very rare precision lever by Hans Martens
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An extremely rare German hunting cased precision pocket watch, circa 1885. 2/3 Plate movement, lever escapement.
Impeccably preserved white enamel dial, blued steel hand and Roman numerals.
18 Carat gold à goutte case with three golden covers, very nice, massive quality, dome signed and with artfully engraved monogram ‘MW’.
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Diameter: 52 mm
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Weight: 116 g
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Signed: Georg Wessel & J.H. Martens Nachf.: Freiburg (Baden)