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Establish the date on a Speedy 145 022-76 ST

tbonewatches
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Hi all!

My first entry here, I've tried the search function but hope that your combined knowledge can help me better.

I'm looking at a Omega Speedmaster Professional 145 022-76 ST, with serial number 31318674 (picture below) and trying to find out the production year. Depending on chart and ideas I've got the suggestions: 1969, 1971 and 1979.

Perhaps anyone here can be more precise?

All the best,
@tbonewatches

The Speedmaster mentioned:
medium_item_1811894_4a651ae9b2.jpeg
 
mr_yossarian
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tbonewatches tbonewatches
Hi all!

My first entry here, I've tried the search function but hope that your combined knowledge can help me better.

I'm looking at a Omega Speedmaster Professional 145 022-76 ST, with serial number 31318674 (picture below) and trying to find out the production year. Depending on chart and ideas I've got the suggestions: 1969, 1971 and 1979.

Perhaps anyone here can be more precise?

All the best,
@tbonewatches

The Speedmaster mentioned:
medium_item_1811894_4a651ae9b2.jpeg
The 31xxx serial can by all means not belong to a 76-iteration. The Watch in question has a Stepdial, so latest a '74 but that won't either match a 31xx. Did you see the caseback inside? does it say 145022-76? This one is more likely a 71, maybe with wrong caseback but for sure with a wrong hour/minute-handset (MK-Series Hands) and a (not a showstopper) Drop End Chrono-hand used on earlier versions, up to 145012-68.

And yes, be careful 😀
 
tbonewatches
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Thanks a mill for your reply!
The watch is up for auction at a respected auction house in Sweden, but not at all specialized in watches. More antique furniture, art etc.
I don't know how they figured the reference 145 022-76 ST. I also found that strange with the serial number.

Given all the details about the stepdial, handset etc. what would your best guess be on the correct reference?

Thanks again!
@mr_yossarian @Servius
 
Servius
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As mr_yossarian said, most likely a -71…

Do you have any other pics? Does this dial looks brownish or I have to worry about my screen rendering / eyesight ?
 
tbonewatches
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Servius Servius
As mr_yossarian said, most likely a -71…

Do you have any other pics? Does this dial looks brownish or I have to worry about my screen rendering / eyesight ?

Sure, here we go!
hd_item_1811894_09c6f4eee0.jpeg hd_item_1811894_98c8981fa7.jpeg hd_item_1811894_c7023bfb72.jpeg hd_item_1811894_d0cd6f05ea.jpeg hd_item_1811894_f1ed43fa0b.jpeg hd_item_1811894_f4c5352d42.jpeg hd_item_1811894_c7023bfb72.jpeg
 
Passover
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Are you interested in bidding or do you just have the production date question?
 
tbonewatches
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Passover Passover
Are you interested in bidding or do you just have the production date question?

I was thinking of bidding, now the price is right on the line what could be fair. And given all the uncertainty around reference and parts, I am hesitating.
 
Passover
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Obviously the dial lume is in quite bad condition also

Case is quite soft and especially the lower right lug has lost its definition due to polishing IMO
 
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