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Zenith 1958 Calibre 133.8














the jewel for the lower oscillating weight pinion is broken





the barrel lid was detached from the barrel















first stage hairspring reshaping

second stage hairspring reshaping



pressing in the new rotor jewel

new rotor jewel in place





new rotor jewel in place







the oscillating weight touches the winding stem

oscillating weight now clears the winding stem


the case needs a pendant tube, and the winding stem won't be long enough for the new crown, so we will need a stem extension

pendant tube fitted

the new crown fits the case nicely

the hands need new luminous compound


I found a second hand that fits nicely