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SHOCKPROOF
This concerns only the pivots of the axis of the balance wheel, the most delicate of watch. It consists of a special system counter pivot stones and ruby bearings, in which the axis spin of rocker pins and can prevent breakage in case of...
Dictionary: Glossary
This concerns only the pivots of the axis of the balance wheel, the most delicate of watch. It consists of a special system counter pivot stones and ruby bearings, in which the axis spin of rocker pins and can prevent breakage in case of...
Dictionary: Glossary