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Cal 354 1952 ?

D
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Hi Forum. Just trying to get your expert advice ! Found this in my Dad's drawer a few months ago. He is in his 90s now and I am lucky enough to have inherited his Speed master 2998 from 1960 in pretty good condition. That's another story! Is this a cal 354 movement from 1952 ? Not sure what model the watch face ? It seems to work fine as soon as you pick it up and I think it's been sitting in a little plastic bag for many years. No idea where the rest of the watch is !! Thanks

PXL_20250706_093314195~2.webp PXL_20250706_093005872~2.webp
 
Spruce
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Your’s is a Seamaster.

Seamasters didn’t have ‘Seamaster’ on the dial until after 1954.

Mine, from 1954, has a 2767 case and you’ll have to start looking for a case or a watch with a good case but in poor condition.

IMG_2413.webp IMG_1045.webp
 
DON
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Back in the bag and back in the drawer. Dial meh, movement condition poor. Springs out of position.

You don’t even know what case it was in. There are 2-3? Cases that could have come from.

Could email Omega with the serial number of the movement and they might be able to tell you, but if sold as a raw movement only. Ends there.

Possibly. It had a gold case and in 1980 when gold shot up. Father sold it for the gold content (worth more than price he paid), removed the movement to weigh it and gave it back to him.
 
Dan S
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If you put it on eBay, someone might buy it who needs parts from the movement.
 
gatorcpa
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Unfortunately, I think you have a problem with the bumper springs. They should be entirely under the bridge. Like this:

CECDA608-FEA5-49CF-B5CC-32BDF52D7690.webp

The highest and best use for this movement is for parts that could save several other vintage watches.
gatorcpa
 
D
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DON DON
Back in the bag and back in the drawer. Dial meh, movement condition poor. Springs out of position.

You don’t even know what case it was in. There are 2-3? Cases that could have come from.

Could email Omega with the serial number of the movement and they might be able to tell you, but if sold as a raw movement only. Ends there.

Possibly. It had a gold case and in 1980 when gold shot up. Father sold it for the gold content (worth more than price he paid), removed the movement to weigh it and gave it back to him.
Hi Don good spot he could have done. I would as him but he not in great shape but I vaguely remember a dress watch so maybe the case and strap where handed over ..
 
D
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gatorcpa gatorcpa
Unfortunately, I think you have a problem with the bumper springs. They should be entirely under the bridge. Like this:

CECDA608-FEA5-49CF-B5CC-32BDF52D7690.webp

The highest and best use for this movement is for parts that could save several other vintage watches.
gatorcpa
Thanks yes if I can help save other omegas that is a good thing !
 
D
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Just on the springs being the wrong way round..are they ? I am no expert and the springs don't look in best condition but to me they hit the part of the movement that moves with the seventeen jewels stamped on it..seey bad photo below!

PXL_20250707_072043164.webp
 
padders
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Spruce Spruce
Your’s is a Seamaster.

Seamasters didn’t have ‘Seamaster’ on the dial until after 1954.

Mine, from 1954, has a 2767 case and you’ll have to start looking for a case or a watch with a good case but in poor condition.

IMG_2413.webp IMG_1045.webp
Not sure I entirely agree. The 354 bumper movement was used in other lines apart from Seamaster. The SM text actually started to appear around 1950 and is seen on low 12m examples so this being 13.4m would most likely have SM on the dial if it were from a 2577, 2767 or similar. I'd suggest the lack of text suggests it is from another line altogether, or perhaps none ie one of the so called 'International Collection' watches. It has been persuasively suggested on MtV's excellent 2577 thread that no 354 movement Seamaster should have a sterile dial due to that movement only being introduced around 1952, with all SMs being so marked by that point.
Edited:
 
DON
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D daviephi
Just on the springs being the wrong way round..are they ? I am no expert and the springs don't look in best condition but to me they hit the part of the movement that moves with the seventeen jewels stamped on it..seey bad photo below!

PXL_20250707_072043164.webp
Those are not the correct springs. Don’t even know what those are from, but not Omega and not even for a watch. Original are shown in gators image. Tucked under the rotor bridge.
 
D
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Maybe but Gaytors mvt is a 354 like mine but mine does not seem to have the same space for the springs like they are different 354 versions ?
 
gatorcpa
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D daviephi
Maybe but Gators mvt is a 354 like mine but mine does not seem to have the same space for the springs like they are different 354 versions ?
I agree with @DON. The springs are supposed to be hidden underneath the bridge with just a small portion exposed. There were a few Omega bumper automatic movements with fully exposed springs, but these were not the cal. 354.
gatorcpa
 
D
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gatorcpa gatorcpa
I agree with @DON. The springs are supposed to be hidden underneath the bridge with just a small portion exposed. There were a few Omega bumper automatic movements with fully exposed springs, but these were not the cal. 354.
gatorcpa
Thanks Gator will take another look ..maybe best I just offer it as parts ..
 
D
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DON DON
Those are not the correct springs. Don’t even know what those are from, but not Omega and not even for a watch. Original are shown in gators image. Tucked under the rotor bridge.
Thanks Don appreciated
 
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