Serial Numbers & relationship to Date produced (Vintage Watches)

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I'm new to the forum but not new to collecting.
My question is; When Omega stamped serial numbers, did they run batches of one model, then switch to another model keeping numerical order ?
Or could the serial # be applied in random order as the watches were produced. Hope this make sense...
I own 3 Omegas ATM and hope this forum is able to help my "Nerdy" ways. 馃榾
 
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I suspect that the production controllers would have assigned blocks of serial numbers for a given production run of specific movements.
Omega were (and still are) simultaneously producing various calibers and using a "random order" method would result in confusion and chaos.
 
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As noted by @JimInOz, Omega generally serialized movements (at least in the last 80 years), so it's better to discuss batches of movements as opposed to batches of "models."
 
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As noted by @JimInOz, Omega generally serialized movements (at least in the last 80 years), so it's better to discuss batches of movements as opposed to batches of "models."
That makes sense. Thanks to you and @JimInOz for the reply .
 
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Here the reason for my inquiry. These two extracts found on the net show the movement with the higher number to be produced before the one with the lower number.. @JimInOz @Dan S

 
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The "production date" is when the watch came together (Case/movement/dial/hands), not the date of production of the actual movement.

Watches were made in batches for each reference and a number of movements were assigned for that reference lot, So serial numbers that seem out of kilter are just the result of staggered production at various levels.

Especially with Speedmasters, their serials can be quite confusing.
 
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The "production date" is when the watch came together (Case/movement/dial/hands), not the date of production of the actual movement.

Watches were made in batches for each reference and a number of movements were assigned for that reference lot, So serial numbers that seem out of kilter are just the result of staggered production at various levels.

Especially with Speedmasters, their serials can be quite confusing.
Thank you. I assumed that, but I've "assumed" before and been wrong, so appreciate your setting me on the right path