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Articles -
Watchmasters Corner
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Written by Ziggy Zumba
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Page 1 of 3
The following is an article Ziggy wrote on a Russian movement used in several Panerai replicas. He reviews its qualities and compares it to the Unitas movement also used in several fake Panerais.
Since doing the overhaul and examination on this movement, I have had 2 more in for service. On the original one, there was slight rust on the top of the movement, on a plate, and not a concern and I didn't have any reason to mention it.
1. On the two subsequent movements like this I have worked on, there was "Significant" rust on the top pallet pivot point. Enough in one instance to severely affect the timekeeping on one of the watches.
2. The other point is that this movement has the most difficult keyless works I have ever seen, if your thinking about removing the stem, think again, as it's almost impossible to reinstall it once removed.
My apologies for not making these two points clear, I thought eveyone had seen this info in other posts about these movements and the subsequent findings.
EDIT
This is the new “Russian” movement in the PAM 1950. I am guessing it’s Russian, it certainly isn’t ETA so maybe someone who knows can comment.
So lets get started.
Here is the movement apart
a bit of dirt in mainspring barrel
Parts quality, fit and finish is second to none, on par with ETA, not sure what the wheels are made from. As you can see the pinion and the wheel are all made of the same material, even the pivot. On an ETA or Swiss movement you normally have brass wheels driving steel pinions. I am not sure if these are brass or Glucydur, better if they were Glyucydur as it is extremely hard.
Screws are actually “Blued” unlike the Unitas, which are painted blue (easy way to tell is look at screw closely, if the screw slot is not blue, it’s painted). These were actually painted an ugly purple colour, and when I cleaned them the paint come off, and I was left with the real blued screw look, and they are polished as well, a sign of quality and attention to detail.
Bridges are engraved, not stuck on plates as the Unitas.
Movement finish is really good quality, certainly better than the asian 7750
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Last Updated ( Tuesday, 14 August 2007 )
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