This lovely IWC is not preforming very well. It needs a service and some general fixing…
Superbly decorated movement. The osculating weight is not quite level. The oscillating weight rotor post has it’s own little cock and it’s a little crooked. I later reshape the cock and it’s level again.Balance is hardly swinging so that reading is bogus…IWC Pellaton winding system is very efficient.Very funky date disk! Note the date disk retaining plate is missing a screw and another screw i wrong.Here you can see the date/setting/winding mechanism.Here you can see the base movement. Very nice micro regulator.I start taking apart the base movement.Here you can see the gear train layout.Here you can see the old mainspring.Movement cleaned and ready to be but back together.Mainspring in the barrel.The hairspring was a little low and touching the balance wheel hindering it’s movement. I reshaped the hairspring and the balance moves freely.Case movement back together.The pallet impulse pin was a little deformed, giving me strange time graph readings.. Parts are not easy to get by so it ads a little stress when working on. But luckily I did not break anything.Finely running like it should after some hours with the hairspring and pallet fork with thoughts of jumping out the window along the way;)
Date mechanism back in place. I have got the correct screws that were missing.
Movement goes back into the case.
I fit the autowinder mechanism.
Last part to go in place is the oscillating weight.
That’s a high quality piece – very nice 🙂 …any ideas on age?
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About 1960:)
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