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Curious circle on Omega rotors.
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89-0
路O is for Omega
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Thornado86
路Are you sure its meaning is simply just to be an O for Omega?
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89-0
路Are you sure its meaning is simply just to be an O for Omega?
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Thornado86
路Nope. But it's a pretty good assumption 馃榾
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kingsrider
路Haven't the foggiest about the O, but it looks like you have some rotor rub.
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Thornado86
路Haven't the foggiest about the O, but it looks like you have some rotor rub.
And it's not my movement, it's just a google picture.
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Evitzee
路I doubt it is just a mark for Omega. It was put there for a reason, maybe for trademark purposes, or to signify a particular quality level, or an export mark, or a myriad of other reasons. The reason is probably lost to the mists of history.
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Archer
路路Omega Qualified WatchmakerIn the past, this has been called an identification for a replacement rotor. Not sure that I've seen anything official confirming this, but replacement rotors do come with this circle when ordered new from Omega.
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Archer
路路Omega Qualified WatchmakerWhat's rotor rub?
And it's not my movement, it's just a google picture.
Worn bushing on the rotor at the axle allows the rotor to rub on the inside of the case back,. and also on the movement plates/bridges. Very common, and easily repaired with the proper parts and tools.
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Thornado86
路I doubt it is just a mark for Omega. It was put there for a reason, maybe for trademark purposes, or to signify a particular quality level, or an export mark, or a myriad of other reasons. The reason is probably lost to the mists of history.
That makes sense.
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89-0
路In the past, this has been called an identification for a replacement rotor. Not sure that I've seen anything official confirming this, but replacement rotors do come with this circle when ordered new from Omega.
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X350 XJR
路路Vintage Omega AficionadoHmmm, the great Omega crop circle controversy.
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Archer
路路Omega Qualified WatchmakerThat the O likely doesn't indicate a replacement rotor, unless all of the movements that appear on the google search carry replacements. Did I misunderstand your post?
Okay you specifically said 564's, so I wasn't sure what exactly you were implying there. You will see the O on rotors from all calibers related to this series.
Keep in mind that all these movements are many decades old. Back when these were all current movements, it was common to replace the entire automatic winding system on these, as Omega offered them as complete replacement units ready to drop in. This is why people often see that the rotor an automatic bridges are a different shade of copper colour to the rest of the movement - people often ascribe something nefarious to this, when it's just the way watches were maintained at that time, when they were not collectible items that people obsessed about - it was just a watch.
I can't speak for the representative nature of Google search, but having serviced hundreds of 550, 560, and 750 movements, and bought new rotors directly from Omega that had the O on them, I go by what I see.
If you feel it's not related to be a replacement, that's certainly your choice, but I don't believe your Google search proves anything. Do you have an alternate reasoning?
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kkt
路To me, the more interesting question is why Omega thought it was desireable to distinguish between the original rotor and a replacement. Are there other parts that have a distinguishing mark when they are sold as replacements?
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Archer
路路Omega Qualified WatchmakerTo me, the more interesting question is why Omega thought it was desireable to distinguish between the original rotor and a replacement. Are there other parts that have a distinguishing mark when they are sold as replacements?
Certainly not all do, but there are other instances. There was a time when replacement movements would have a serial number starting with the letter "R" for example. Now they just replace the movement with a different serial number, and update the records accordingly. This sort of thing has come and gone over time.
