Austrian unusual form watch with relief enamel case Circa 1810

Silver gilt pear form enamelled pocket watch
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An unusual form watch with relief enamel case Pear, made by Johan Jacob Heckel in Vienna, Austria, circa 1810. This full hunter cased pocket watch, crafted from gilt silver, is a very exceptional piece of work as it has a completely engraved case which is partially enamelled. The white enamel dial has black Arabic hour numerals and black Breguet hands. The numbered movement has a verge escapement.
The movement is signed.
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Diameter: 49 mm
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Signed: Johan Jacob Heckel, in Wien
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Johan Jacob Heckel was a very famous Viennese watchmaker around 1800.