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Omega Geneve 1969 Caseback Stamp: EPSA Triangle Mark

M_V_T

·Jun 12, 2026

Hi,

I bought an Omega Geneve from 1969. THere is a stamp on the caseback (triangle/circle) that I don't know. What is it ?

PXL_20260611_171159666 - Copie - Copie.webp

thanks !!
Jacques

JimInOz

·Jun 12, 2026·Melbourne Australia

It signifies that the case was made for Omega by EPSA, or AKA Ervin Piquerez SA.

M_V_T

·Jun 12, 2026

Thansk, I did not know the stamp of all the case manufacturers. Now I know EPSA, or AKA Ervin Piquerez SA

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