Marking Requirements - Pierre DeRoche Chrono Penta PDR 4012 Mode D'emploi

Marking requirements

(according to Swiss regulations)
All objects in precious metal sold in Switzerland must carry several markings,
registered with the Federal Customs Administration (Central Office for Preci-
ous Metals Control).
Responsibility or maker's mark
This is generally the mark of the brand or of the component manufacturer
(e.g. for a watch case).
It may also be a joint maker's mark, meaning a trademark registered by an
association of manufacturers.
Swiss official hallmark and indication of standard of fineness
All watch cases, particularly those in gold or platinum, whether made in Swit-
zerland or imported, must bear the official "head of a St. Bernard dog" hallmark,
alongside the indication of the fineness standard.
Prior to August 1 1995, other Swiss official confirmation hallmarks were used.
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Common Control Mark of the Vienna Convention
This international convention on the control and marking of precious metal
objects has been signed by 10 European countries, including Switzerland. It
provides for placing a common control mark on objects in platinum and gold in
particular, as well as the other three above-mentioned indications. This com-
mon guarantee hallmark depicts scales, at the centre of which the standard of
fineness of the metal in question is specified (750 for gold, 950 for platinum).
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