Info request on my Constellation

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I'm trying to find history/information about the watch my father gave me, which his father gave him for his 21st birthday in 1956. I'm told it's a "no-name" Constellation, Calibre 354, case 2652 SC, movement 13070180. The serial number 11143350 puts it being made in 1947, which from everything I've read, pre-dates the line by a few years. Any help would be appreciated. PXL_20240111_195712365.jpg PXL_20240111_195651588.jpg
 
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Hello - respectfully, please be aware there has been a slew of fairly speculative requests for information here recently, and yours is a bit of a headbanger right off. Please post a clear picture of the dial, because out-of-focus pictures are off-putting to even look at, as well as uninformative. Please also explain how the watch can be simultaneously a "Constellation" and a "no-name"; and how the serials can be both 11mio and 13mio. Sorry to sound grouchy - there are real experts here who would say just the same though, so maybe your next shot will be able to grab their attention.
 
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Confusing post, to say the least. Clear photos (with hands moved out of the way) and more information are definitely needed. Photos of the inside would be particularly helpful.
 
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Here's a better picture. I don't have one of the inside.
The serial number and movement numbers were read to me by the jeweler.
The caliber and case numbers were on my receipt from Omega when I sent it in for cleaning and refurbishing.
My understanding is there was a pissing match early on and Omega was not allowed to use the word Constellation for a time.
I hope this helps and sorry for the confusion.
PXL_20240111_225029806.jpg
 
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Your serial number information is ambiguous, you mentioned both 11 million and 13 million, so we don't know which one is correct. If the movement says 13.0M, then the watch is circa 1952.
 
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Your serial number information is ambiguous, you mentioned both 11 million and 13 million, so we don't know which one is correct. If the movement says 13.0M, then the watch is circa 1952.
I just wrote what the jeweler read to me. The movement number would definitely make more sense for the date. Thanks.