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mac_omega
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jimmyd13 jimmyd13
I know .... so I did some reading online prior to bidding and found a number of watches, from 1952, all dennison cased, with 283's and marked as chronometers on the dial ... here's one of them where the seller himself says he's puzzled: https://mrjoneswatches.com/products/omega-chronometer

Edit: meant to say - note the serials are just 40-odd apart. Ifound it quite interesting and just a little bit exciting.

I am always happy to stand corrected if a deal turns out better than feared... the movement finally presents very well - congrats, it is a nice watch.

BTW I have seen 3 watches with this weird combination of cal. 283 and a chronometer labeled dial. But I am convinced these did not leave the factory as chronometers. Maybe they have used up surplus chronometer dials towards the end of the 30 Rg chronometer production around 1952/53. The dial on the OP´s watch is characteristic for that late period...
 
jimmyd13
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mac_omega mac_omega
I am always happy to stand corrected if a deal turns out better than feared... the movement finally presents very well - congrats, it is a nice watch.

BTW I have seen 3 watches with this weird combination of cal. 283 and a chronometer labeled dial. But I am convinced these did not leave the factory as chronometers. Maybe they have used up surplus chronometer dials towards the end of the 30 Rg chronometer production around 1952/53. The dial on the OP´s watch is characteristic for that late period...
I'm happy (well, maybe "happy" is too strong a word ... satisfied) to be corrected too but given that I managed to find a few of these examples in one evening (there was another on Chrono24 and one that was sold but still on a seller's website), I'm thinking that points to the combination being correct. Now, aren't there rules against using a chronometer signed dial with a non-chronometer movement? I will have a pro do the work on this one and I will ask if them, but I'll ask here first: can the 283 be "tightened up" enough to pass chronometer testing?
 
mac_omega
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jimmyd13 jimmyd13
I'm happy (well, maybe "happy" is too strong a word ... satisfied) to be corrected too but given that I managed to find a few of these examples in one evening (there was another on Chrono24 and one that was sold but still on a seller's website), I'm thinking that points to the combination being correct. Now, aren't there rules against using a chronometer signed dial with a non-chronometer movement? I will have a pro do the work on this one and I will ask if them, but I'll ask here first: can the 283 be "tightened up" enough to pass chronometer testing?

Yes, it is no problem to regulate a 283 to obtain chronometer results - but you would need an extract from the archive to verify that it started its life as a chronometer.

We have a similar situation with the early chronometers with non-Rg movements, mostly its a cal. 30 SC T2 in a CK 2254 case...
but: there is special finish to the ratchet wheel and crown wheel and also the click and if you ask for an EoA you will find "reglage special" or "special adjustment" on the extract - this information is noted on the microfiche of the archive.
 
jimmyd13
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mac_omega mac_omega
Yes, it is no problem to regulate a 283 to obtain chronometer results - but you would need an extract from the archive to verify that it started its life as a chronometer.

We have a similar situation with the early chronometers with non-Rg movements, mostly its a cal. 30 SC T2 in a CK 2254 case...
but: there is special finish to the ratchet wheel and crown wheel and also the click and if you ask for an EoA you will find "reglage special" or "special adjustment" on the extract - this information is noted on the microfiche of the archive.
Then I suppose we'll be sending off for another EoA in the near future. Hopefully it won't be returned as unavailable like the last one.
 
mac_omega
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jimmyd13 jimmyd13
Then I suppose we'll be sending off for another EoA in the near future. Hopefully it won't be returned as unavailable like the last one.

I have seen that your watch´s movement serial# is very close to the one you linked to - so I am afraid your watch might also fall on the "lost" or damaged piece of the microfilm... I have experienced this problem myself when I searched through the archive for my chronometer book.
 
Lucasssssss
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Just having a look at this thread. Did you ever get an EoA?

Seen another come up which looks remarkably similar. Movement number 12464810. Tempted to put a bid in for it.

a37e1b69-a687-428f-9d8c-ab82011a335e.jpg
 
michael e
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Thread resurrection.
Does anyone know any more about these watches?
All I have found have had close serial numbers 1246 xxx so it looks certain they did come with the chronometer dial.
Here is yet another one.
Thanks, Michael
 
2E881DB3-3F83-4137-B4C1-A9DDC901D132.jpeg 47EFDC09-0E1F-4019-907B-D47DFE6E51EA.jpeg 6D73506C-3867-491B-A634-107667DF5332.jpeg BDD49944-8C3B-417F-BAE1-139D5B52406D.jpeg
jimmyd13
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So far, there are 3 known examples - looks like you've got a 4th. The one that I started the thread with has box and papers (with serial number written in to the booklet) so I am as sure as anyone can be that they are original. All have that striking blue sweep hand.

Here you go:
20220503_162926.jpg
 
jimmyd13
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Lucasssssss Lucasssssss
Just having a look at this thread. Did you ever get an EoA?

Seen another come up which looks remarkably similar. Movement number 12464810. Tempted to put a bid in for it.

a37e1b69-a687-428f-9d8c-ab82011a335e.jpg
Sorry I missed your question but this one came back as EoA not available.
 
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