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Rolex hallmarks explained, identifying authentic rolex precious metal parts
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18 May 2020, 12:30 AM
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Kigan
"TRF" Member
Join Date: May 2016
Location: EU
Watch: Blancpain AC01
Posts: 441
Quote:
Originally Posted by
Teamnguyen
What does the “12” hallmark mean?
The key means that the case manufacturer is located in the canton of Geneva.
#12 - Rolex Industrie SA (case manufacturer ex-GENEX SA), Chene-Burg, Switzerland.
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