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Thoughts on what Speedy I could have here?

blubarb
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The case back apparently says 145.012 67SP (waiting for confirmation pics) but the movement serial says 20mil (it isn't that clear to my eyes) which I would have thought is placing the movement closer to 1963 possibly making it a ST105.003 or ST105.012

Looks heavily polished - interested in your views on that and the condition in general.

Appreciate any thoughts on what I have here if the case back . The seller is asking USD11k

Walk tentatively closer or run away 😁👎


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mr_yossarian
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A 26xx would makes it plausible for a 145.012, a 20xx rather not 😀 Are you sure it's a 20?
 
blubarb
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mr_yossarian mr_yossarian
A 26xx would makes it plausible for a 145.012, a 20xx rather not 😀 Are you sure it's a 20?

Not 100% Just looks like it from this photo - possibly the seller has sent an incorrect movement photo. Let me look into that.

quick update: The seller says that is the correct movement photo though he will confirm and send pics of the serial and case back - but he also states it is a 20m serial.
 
mr_yossarian
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blubarb blubarb
Not 100% Just looks like it from this photo - possibly the seller has sent an incorrect movement photo. Let me look into that.

quick update: The seller says that is the correct movement photo though he will confirm and send pics of the serial and case back - but he also states it is a 20m serial.

a 20xx serial with a asymmetrical clutch bridge is would mean the bridge was swapped, the serial is wrong or both. So it would neither be a movement for a 105. nor a 145.012.
 
blubarb
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mr_yossarian mr_yossarian
a 20xx serial with a asymmetrical clutch bridge is would mean the bridge was swapped, the serial is wrong or both. So it would neither be a movement for a 105. nor a 145.012.

regarding the progression of the 321 "Generation 1 (1957-1963), Transitional (1963-64) and Generation 2 (1964 -1969). A Generation 2 movement is immediately distinguished by its non symmetrical clutch bridge while Gen 1 and Transitional movements both feature symmetrical bridges. "
 
blubarb
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Omyga99 Omyga99
“SWIS S”

Looking at the right T between 28.0 and 28.2 seconds - 1966 - 69 dial?
 
Spacefruit
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Check the different colour of the number bridge and the other copper bridges/plates
 
bjhove
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To me the first caracter in the serial number looks like an 'R' not a '2'. The R serials were - as far as I know - pre-production or replacement movements. The significant colour difference, as Spacefruit points out, indicates (at least to me) that the number bridge does not match to the rest of the movement. I would run away!
 
blubarb
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bjhove bjhove
To me the first caracter in the serial number looks like an 'R' not a '2'. The R serials were - as far as I know - pre-production or replacement movements. The significant colour difference, as Spacefruit points out, indicates (at least to me) that the number bridge does not match to the rest of the movement. I would run away!

yep, quickly shuffling away not walking. 👍
Edited:
 
blubarb
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I never knew R serials existed until now and though it looked like an R on the serial, I was thinking it must just be my old eyes.

This is what is great about ΩF, always something to learn aside of just reinforcing my own conformational biases. 😁

Thanks to all. 👍
 
gemini4
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mr_yossarian mr_yossarian
a 20xx serial with a asymmetrical clutch bridge is would mean the bridge was swapped, the serial is wrong or both. So it would neither be a movement for a 105. nor a 145.012.

From my experience, the asymmetrical bridge is correct north of 20 million. For example, reference105.002-62 straddle the 20 million line. Movement numbers 1952xxxx and 1983xxxx should have symmetrical bridges while the later movement numbers of 2052xxxx do not. That being said, I can’t recall seeing any Speedmaster with movement number near 2007xxxx,
 
padders
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I don’t think it is an R serial, those I have seen have fewer digits. That is a Franken or bitsa watch.
 
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