Swiss decorative IWC hand-engraved pocket watch Circa 1911

Silver pocket watch by International Watch Co.
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A decorative Swiss finely hand-engraved gentleman’s Schaffhausen pocket watch, circa 1911. Presented by the Halberger Hütte Rudolf Böcking & Co. Erben Stumm-Halberg und Rud. Böcking-GmbH: In dankbarer Anerkennung für langjährige treue Dienste (In greatful appreciation of loyal service)
The case is made of silver with engraving of the Halberger Hütte on the back, and a silver dome with dedication inscription: dem Meister Jakob Mohr 1911, in dankbarer Anerkennung für langjährige treue Dienste (to master Jakob Mohr 1911 in greatful appreciation of loyal service). The enamel dial has Arabic Empire numerals, auxiliary seconds, and gold Louis XVI hands. And the frosted gilt 3/4 plate movement has screwed chatons, screw compensation balance, and signed Patent no. 31457.
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Diameter: 51 mm
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Weight: 93 g
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Signed: International Watch Co., IWC Probus-Scafusia
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The Stumms were one of the most important entrepreneurial families in the European Coal and Steel Community in the South West of Germany; their main representative was Carl Ferdinand von Stumm-Halberg. Over five generations the family established or operated more than 20 hammer mills and ironworks during proto-industrialisation in the 18th century and in the course of industrialisation in the 19th century.