hallmarks cont.
Finally, we can see in some random photos from the internet, (credit to the original photographers), that we can apply the same hallmark principles to other brands, the same ladies head or dogs head hallmarks are used, depending on whether the case was made pre or post 1995.
Note: Not all of Rolexes competitors use the Genθve Assay office so the tiny letter in the neck or ear can vary, as per chart provided above, depending on which of the several Swiss assay that company uses.
Biel / Bienne = B
Basel = *
Chiasso = T
Geneva = G
La Chaux-de-Fonds = C
Le Noirmont = J
Zurich = Z
A last note, you can use this on vintage models also daytona, 1680 gold sub, Hallmarking started from 1881 onwards remember, please remember that some older rolexes had there cases manufactured by other companies like Dennison and they are a UK company and use a completely different set of hallmarks.
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