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Certina | Quality testing | Strap stretch and break test
DescriptionThe watch is positioned on a support via the strap. The machine will pull the strap upward and downward simultaneously, in order to verify the material's stretchability. The strap must yield beyond a certain force value, in order to comply with the safety standards.More
The watch is positioned on a support via the strap. The machine will pull the strap upward and downward simultaneously, in order to verify the material's stretchability. The strap must yield beyond a certain force value, in order to comply with the safety standards.
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