Service Zodiac Sea Wolf calibre 70-72

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A client has sent in his Zodiac. It badly needs some attention. The first thing I notice is that the bezel does not turn and that the rotor is clanking against the case back.

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Movement looks decent.

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The rotor post is broken. Hence why the rotor is clanking around

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Here you can see where the rotor post is broken.

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These Zodiacs have a funky micro regulator.

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Dial is in very good condition!

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I remove the hands and dial.

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I start taking the date mechanism apart.

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I now start taking the setting/winding mechanism apart.

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Movement almost taken apart.

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Here you can see the gear train layout. Nice hacking lever construction.

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The dreaded 2nd wheel with the clutch pinion. I used to hate taking these apart because if they brake, there are not too many spares left out there… 

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Using the Platax tool I can rest the clutch pinion on the Collet remover and safely press out the 2nd wheel arbour. 

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The barrel is actually riveted shut.. 

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And leaving it closed is no option… Look how dirty it is!

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Dirty!! No wonder the Bezel does not turn..

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Movement cleaned and ready to be put back together.

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Mainspring cleaned and back in the barrel, you can see the carnage from opening it… If you have a better suggestion please let me know!:)

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I see that the balance moves freely after fitting the shock protection jewels.

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Clutch is oiled and pressed back onto the 2nd wheel.

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Gear train back together looking good! I like the jewelled barrel bushes. 

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Date and winding/setting mechanism back in place.

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Dial and hands back on the movement.

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Movement goes back into the case.

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I fit the autowinder gears and bridge. Now with a new rotor post! 

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Now the rotor works perfectly.

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Very good performance. 

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Now that looks a lot better than before! 

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2 Responses to Service Zodiac Sea Wolf calibre 70-72

  1. Gary Lee says:

    Mitka, great walk through as always! Is that regulator mechanically beneficial or more for aesthetics to give it a complicated look?
    Thanks again for sharing! Always exciting to see a new post!
    Gary

    Like

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