A method of assembling a piece of hard material on an axis and assembly comprising such a part assembled on a shaft.
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Correction device and watch movement including the correction device
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calendar display mechanism.
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Escapement and tourbillon mechanism equipped with such an escapement
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Mechanism for displaying dead seconds
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wristwatch chronograph movement comprising two split-system.
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Linear hammer for resetting counters of chronograph mechanism, has three active parts engaged with heart-shaped cam of chronograph mechanism, where two of parts are arranged at both sides of longitudinal axis of body on lever
