Antique dating pocket swiss watch

30-Jun-2017 18:43

Although the Swiss Precious Metals Control Act of 1880 defined standards for gold and silver watch cases, the British Merchandise Marks Act of 1887 caused several changes in Swiss hallmarking, in particular the two Swiss standards for silver were not accepted in Britain, and the British also inadvertently caused the Swiss to create their own national brand or trade mark "Swiss made".

Swiss hallmarking before 1880 and after 1933 is rather outside the scope of this page, but I mention some of the changes made in 1933.

Contents Swiss Hallmarks Poinçons de Maître Precious Metals Act 1880 Gold • Eighteen Carat Gold • Fourteen Carat Gold • Nine Carat Gold • Twelve Carat Gold Silver 875 and 800 • 800 silver • 900 silver • 935 silver • 925 silver Platinum The Merchandise Marks Act • Three Bears: 935 silver • Three Heads: 0.755 gold • Nine and Twelve Carat Gold • "Swiss Made" Plaqué Or - Gold Plated Precious Metals Act 1933 Déposé No. Regulations were later introduced in the cantons of Neuchâtel and Schaffhausen, each having its own standards for gold and silver, its own system of testing and hallmarking, and its own unique set of marks.

9846 Other Swiss Case Marks • Swiss Federal Cross • Brevet Dem. To begin with the standards and marking were controlled by the local Guilds.

These assay offices were established by law, superseding the medieval Guild system of regulation.

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the fineness of 18 carat gold might be shown as 0.75 (since 18 / 24 = 0.75), .750, 750 (without the decimal point), 75% or 750‰.The female figure of Helvetia appeared during the development of a Swiss national identity in the nineteenth century, and Helvetia appeared on coins and stamps after the foundation of the federal state of Switzerland in 1848. Eighteen carats is exactly 75% or 750‰ gold, from 18 / 24 = 0.75.But the British Merchandise Marks Act of 1887 forced a change.These hallmarks marks are seen on the vast majority of Swiss watches with silver or gold cases imported to the UK between 18 before assay and hallmarking of the cases of imported watches in a British assay office became compulsory. Items marked with the symbols introduced in December 1880 were obviously marked after that date.