This 3-pronged antishock device was found in this vintage Unitas caliber 431 watch movement.
There were several similar 3-prong shock protection devices available during the span of time that this piece was produced.
Among them:
- Trishock
- Contrachoc
- Rubyshock
- Rufarex
- Protax
- Uwersi
- Unishock
More information is needed as to the specific type it is. This page will be updated accordingly.
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