321 Steel.

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could you provide example pictures of the 14xxx serial numbers please. Would like to see where they show up.
 
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2,000 a year is about 8 per day, not an insane number. Perhaps Omega has quietly ramped up production the last few years as they honed their systems for this watch.
Yeah, and to be clear, when I said "This does not make sense to me.", I mean what Omega Customer Support said to me that the serial number does not reflect the quantity that they produced (which I belive it does).
 
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Yeah, and to be clear, when I said "This does not make sense to me.", I mean what Omega Customer Support said to me that the serial number does not reflect the quantity that they produced (which I belive it does).
But Omega has now used several number ranges, and at least one starting with a prefix letter. I don't think you can determine the actual number of watches made at this point. Initially I think it was a viable method, but not now.
 
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Yeah, and to be clear, when I said "This does not make sense to me.", I mean what Omega Customer Support said to me that the serial number does not reflect the quantity that they produced (which I belive it does).
With manufacturing, there are two fallacies that many fall into:

1- That every serial number is 'accounted' for/used.
2- That products are produced in serial number order.

For #1:
There are a TON of reasons that manufacturers skip numbers. Anything from 'the part with the serial number failed QC' to 'we made a sufficient enough change to our manufacturing process that changing number ranges will make it easier in the future', to 'we do some encoding in the number to show week/day/assembler/etc'. You might have 'we decided to just start numbers over in a sub-range for a good-but-irrelevant-to-anyone-but-us reason. For all of these reasons, you'll end up with weird 'holes' in the numbers that only someone from the floor could have any idea why.

For #2:
Serial numbers aren't necessarily done sequentially, even if they seem like it. Depending on the factory, different manufacturing lines will manufacture in different patterns (so line 1 will do odds, the other will do evens, and they're not necessarily in sync!). Serial numbered parts might be manufactured in order, but not necessarily assembled in order. It isn't uncommon for factories to have boxes of the 'serial numbered' parts, then just take the boxes down and complete them in arbitrary/random order. There are also countless other reasons.

SO looking at a 14,200 serial number and assuming: 1- That there are 14,200 watches manufactured, 2- That there are less than 14,200 manufactured, or that there are more than 14,200 manufactured are all completely unreliable assumptions. What you can PROBABLY assume (again, if there isn't some OTHER odd serial number changes like @Evitzee was alluding to) is that there is a rough SCALE of that 14,200, but nothing beyond that.
 
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But Omega has now used several number ranges, and at least one starting with a prefix letter. I don't think you can determine the actual number of watches made at this point. Initially I think it was a viable method, but not now.
But within a range, it's still viable, no? If they used a prefix + random number, we should see a 8871xxxx serial for watch in early production years.

My watch is dated 24/11/2024, has serial number 88708xxx. And now at 2/3 of 2025, we already see 88714xxx.

So 6k watches in 8 months -> 750 watches per month -> 25 watches per day.
 
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750 watches per month -> 25 watches per day.
Well, having visited the 321 production Atelier d’Excellence myself recently (report elsewhere on this forum), I can assure you the production numbers are much, much lower than this.
 
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But within a range, it's still viable, no? If they used a prefix + random number, we should see a 8871xxxx serial for watch in early production years.

My watch is dated 24/11/2024, has serial number 88708xxx. And now at 2/3 of 2025, we already see 88714xxx.

So 6k watches in 8 months -> 750 watches per month -> 25 watches per day.
You have to explain what 'dated' means here. If you mean on your warranty card; THAT number is written in on the day of the sale, so has nothing to do with date of production (other than: it has to be AFTER it!).

SOME watch sellers (particularly ADs) will keep their allocations of watches like this in the safe for YEARS until they find the proper buyer for them. Rolex is famously accused of having ADs keep certain watches for a very long time until they find someone 'worthy' of the watch.

Additionally, and of course for ones without waiting lists, watches will sit in the safe/case for years before they are sold. I have an 'early' denim railmaster with a warranty card date more than year after they stopped making them because it didn't sell. Heck, there is an AD near me that has 1861 speedmasters in their safe that they STILL haven't sold because the owner is sure they will be worth tons someday.
 
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I seriously doubt Omega has made 14,000 units so far. Keep in mind the first year the watch was introduced, barely any were delivered. Like RJ from Fratello got his and maybe a few hundred for the next 12-18 months. The SS 321 was seriously rare and the platinum 321 was even more rare.
 
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But it does not count the 888xxxxx series, which Omega uses before switching to 887xxxxx. The steel one that @Robert-Jan owning has the 888 prefix.

In any case, 2000 movements per year sounds a lot, even though they are shared with platinum and white gold variants.
Adding a bit of context here. Robert-Jan's 321 was picked up in Biel in July 2020, so we can assume it was factory fresh. His has SN 88800036, an anomaly in my view because most 321's don't have an 888 series numbering. My 321 was sold by an Omega Boutique in Europe in Jan 2021, it has SN 887008xx, the more common range. The one that's been on the Omega website for years (I think since introduction in early 2020) has SN 88700057. So you can't say they started with an 888 series and switched to an 887 series. I would guess they started with the 887 series, in fact here is an Omega pic that has a movement SN 88700000 that I downloaded in April 2021, an obvious prototype and we can assume that was the starting number series. At this point trying assess how many 321's are out there is an exercise in futility because they have different series now and you can't assume all the numbers have been used consecutively. But it's fun postulating what it all means.

Edited:
 
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But within a range, it's still viable, no? If they used a prefix + random number, we should see a 8871xxxx serial for watch in early production years.

My watch is dated 24/11/2024, has serial number 88708xxx. And now at 2/3 of 2025, we already see 88714xxx.

So 6k watches in 8 months -> 750 watches per month -> 25 watches per day.
Assume 250 working days per year, so over nine months (Nov 2024 to Aug 2025) there are about 188 working days. That's 32 watches per day to make 6,000 watches in that period. Knowing how these are produced they aren't making that many watches per day, they don't have enough assemblers to approach that production level.
 
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You have to explain what 'dated' means here. If you mean on your warranty card; THAT number is written in on the day of the sale, so has nothing to do with date of production (other than: it has to be AFTER it!).

Agree, here I assume that the watch was delivered to boutique immediately and sold within a month.

So you can't say they started with an 888 series and switched to an 887 series.

This is what I read from Fratello article, fyi.

-

Thanks for all your input. I think your assertion is quite right.

If they dont use sequence, then using prefix+random number should be better. With the current pattern, people like me can think that the production number is much higher than Omega claim,
 
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I bought mine in March, 2025, and the serial number starts with 88708***
It was brought by the Swiss regional sales director directly from Biel to the OMEGA Boutique at the Zurich Airport, and thus I assume it was manufactured not much before that.
 
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Adding a bit of context here. Robert-Jan's 321 was picked up in Biel in July 2020, so we can assume it was factory fresh. His has SN 88800036, an anomaly in my view because most 321's don't have an 888 series numbering. My 321 was sold by an Omega Boutique in Europe in Jan 2021, it has SN 887008xx, the more common range. The one that's been on the Omega website for years (I think since introduction in early 2020) has SN 88700057. So you can't say they started with an 888 series and switched to an 887 series. I would guess they started with the 887 series, in fact here is an Omega pic that has a movement SN 88700000 that I downloaded in April 2021, an obvious prototype and we can assume that was the starting number series. At this point trying assess how many 321's are out there is an exercise in futility because they have different series now and you can't assume all the numbers have been used consecutively. But it's fun postulating what it all means.

For reference, my 321 was sold by an Omega Boutique in America in February 2021, it is SN 887008xx.