Omega Seamaster Chronostop without "T - T" on dial

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I have recently bought this IMO very nice Seamaster Chronostop 145.007 (attached). There is, however, one detail about it that I am not completely comfortable with: the lack of the "T - T" markings for tritium in the lume around "Swiss Made" at the bottom of the dial.
The watch looks legit to my untrained eye, but I was wondering if someone here could help me shed a little light on whether the missing T marking can be correct.
I have so far found these similar examples:
https://montresmecaniques.forumactif.com/t465-omega-seamaster
https://omegaforums.net/threads/watchco-seamaster-chronostop-145-007-1967-caliber-865.14240/ (from OF - seems to claim that it is assembled from NOS spare parts).
https://www.longitudi.fi/tuote/omega-seamaster-chronostop-jumbo-ref-145-007-1967/
https://uhrforum.de/threads/omega-chronostop-145-007.410161/

Could it be some sort of later service dial where the lume is without tritium?
In this thread, also from OF, the consensus seems to be that there are indeed legit Omega dials from the tritium era without "T - T" markings on them.
 
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Hi Thomas,
I cannot tell you, if there were genuine old dials without the t's.
I have a first hand, one owner Omega Chronostop Ref. 145.008 with t-dial.
Would think, the dials without t are service dials, but there is no proof, I think.
If it would help, I can show a genuine prospect, I bought last year:



Perhaps, it could be helpful for the discussion.
 
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Thanks @KP-99. It looks to me as if the 145.008 shares the center dial with the 145.007 and only the turnable inner bezel / chapter ring differs?
 
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Yes, the 145.008 has the second crown for the rotating bezel.
The 145.007 has a fixed bezel, but same inner dial.
 
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Hi Guys, don’t know if this is of any help to you, this is a pic of my Chronostop that my late father bought brand new in 1972.
 
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Hi Guys, don’t know if this is of any help to you, this is a pic of my Chronostop that my late father bought brand new in 1972.

Thanks, that one indeed also has the "T" markings, like almost all Chronostops I can find pictures of.
So far, I guess I should assume mine has a later service dial.
 
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I have recently bought this IMO very nice Seamaster Chronostop 145.007 (attached). There is, however, one detail about it that I am not completely comfortable with: the lack of the "T - T" markings for tritium in the lume around "Swiss Made" at the bottom of the dial.
The watch looks legit to my untrained eye, but I was wondering if someone here could help me shed a little light on whether the missing T marking can be correct.


Could it be some sort of later service dial where the lume is without tritium?
In this thread, also from OF, the consensus seems to be that there are indeed legit Omega dials from the tritium era without "T - T" markings on them.


i have the same chronostop, with a similar sunken dial,but cant seem to find an explanation on the difference in your watch. it though looks legitimate to me.