Thoughts/knowledge on 1950s “science dial”

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Almost certainly a redial. Totally incongruous with the date of the watch. The one odd detail is that the sub-dial font is quite similar to a known variant.
 
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Looks pretty good quality printing for a reprint? Plus dial print loss around the 1 o’clock area.
 
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1/5th seconds track ... with a subdial for seconds, looks strange to me.
 
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Sub-dial design is of late 1940s and 1950s sei tacche dials whereas the scientific dial design is primarily seen on Longines from the 1930s and early 1940s. It just does not fit.
 
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I think the dial is original. God knows what happened to the print at the "1" area.
 
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It is missing the screws that hold the movement in the case
 
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I’m out of my depth with vintage Longines but I thought the dial looked good on this one. If the dial and case/movement are from different periods could it just have been transplanted from an earlier watch ?
 
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I too think the dial looks good, but shared the thought it might have been transplanted.
 
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I too think the dial looks good, but shared the thought it might have been transplanted.
I think it consistent with the watch. The extract would confirm it.
 
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@oinkitt , @w154

Sorry to insist, but could somebody explain to me why a 1/5th track at the periphery of a subsecond sector dial even makes sense? To me it does not. So two possibilities in my opinion, 1) fake fantasy dial and 2) real dial for a sweep seconds modified with an added subdial printing. Could be, as fonts do not match at all, hard to tell with a small picture. Also, the seconds hand look bogus too, plus missing screws... I would not touch this one with a long pole.

Option 2) may even be an interesting one, but would it be a factory modified dial? I doubt it...
 
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The subdial looks poorly aligned: rotated counterclockwise.
 
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@oinkitt , @w154

Sorry to insist, but could somebody explain to me why a 1/5th track at the periphery of a subsecond sector dial even makes sense? To me it does not. So two possibilities in my opinion, 1) fake fantasy dial and 2) real dial for a sweep seconds modified with an added subdial printing. Could be, as fonts do not match at all, hard to tell with a small picture. Also, the seconds hand look bogus too, plus missing screws... I would not touch this one with a long pole.

Option 2) may even be an interesting one, but would it be a factory modified dial? I doubt it...

I'm not a betting man and I would put my money on it being original. I don't know why the 1/5th track was included.... maybe because it looks good. I have a similar Omega somewhere.
I own over 100 vintage Longines and have looked at 1000s, after a while you just get a feel for them. Having said that, I have been wrong in the past but I don't think this is one of those cases.
I am more intrigued with the missing dial print at the "1' position.
 
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Could it have been from a 12.68 chronograph ?

Are the dial feet in the same place ?
 
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I'd say that it is an original dial, with the distinct possibility of a re-lume. I haven't looked into whether it began its life in that case, so have no opinion on that topic.

If it is a redial, I'd like to give some work to the artist. 😉
 
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I'd say that it is an original dial, with the distinct possibility of a re-lume. I haven't looked into whether it began its life in that case, so have no opinion on that topic.

If it is a redial, I'd like to give some work to the artist. 😉
Relume??????????????????? I think not.
 
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Relume??????????????????? I think not.

You can think what you like, but such bright and clean radium on a 70+ year old dial would be very unusual at best, let alone matched up with hands that are completely dissonant.
 
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You can think what you like, but such bright and clean radium on a 70+ year old dial would be very unusual at best, let alone matched up with hands that are completely dissonant.
That's rather specious reasoning. How do you know that it is actually lume?
 
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That's rather specious reasoning. How do you know that it is actually lume?

If it isn't the lumed hands are of concern...

I'm going with original Longines dial installed in a later case w/ incorrect hands 😒

It positively reeks of being a put-together.