Swiss pocket watch made for the world exhibition Circa 1906

Open faced pocket watch by Fritz Edouard Roskopf
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A Swiss pompous pocket watch made for the world exhibition, circa 1906. The watch was made to commemorate the introduction of the universal time in Belgium in 1892 L’Heure Nationale Belge
Nickel engraved and chased case. Engraved and chased dome. White enamel dial -signed: F.E. Roskopf, Patent 18632-, sunk subsidiary dial for constant seconds, Arabic numerals, outer blued numerals, decorative hands. 2/3 plate engraved movement, Patent Swiss 18632 and a three-arm ring balance.
Roskopf watches are usually considered to be mass-produced low-priced watches. There are, however, exceptions. This watch is engraved and chased to show the emblems and names of the Belgian provinces as well as the inscription L’Heure Nationale Belge. The dome is finely chased and engraved with an inscription dedicated to three world expositions: Exposition Universelles Paris 1900, Liege 1905, Milan 1906. The watch also has a remarkable case that is lavishly hand-engraved in great, almost excessive detail.
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Diameter: 54 mm
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Weight: 127 g
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Signed: Fritz Edouard Roskopf, “L’Heure Nationale Belge”
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Fritz Edouard Roskopf was born in La Chaux de Fonds on December 13, 1835 and died in 1927.
In 1855, he and his father Georg Friedrich Roskopf established the company ROSKOPF, GINDRAUX & Co. together with Henry Gindraux. Two years later he left the company and started his own business in Geneva. After the death of his father, Roskopf began making his own watches and registered the thistle as his mark in 1897.
On January 3, 1899, Roskopf received patent CH 18632 for a mechanism that allowed setting the hands with the crown. His watches were produced by the Reconvilier Watch Co. SA and signed F.E. Roskopf & Co.