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What intrigues me is whether Omega used the slot markers on watches sans lume like we see in in the OP and if so why the lume hands?
Most interesting. I was under the impression these maple bar markers were fitted with ebony.
['60 ref 2943]
Now I'm really curious about mine.
Art
Definitely lume on yours.
AFAIK in this period they could be either radium or tritium. In the early 60's there was no requirement for the 't's on the dial, this requirement was introduced a bit later in I think '64 or '65
He's a very recent SM arrival of mine showing the same characteristics.
Damn. I thought these markers . . .
. . . had ebony inserts. Sure looked that way the last time I looked at it thru a loupe.
Art
Ain't gonna cut it 🙄
First off, it's not ebony - if there are markers with inlaid, black material it will be onyx. Secondly, if it is onyx it will stand slightly proud of the marker, like on this:
Third point; the strips on your examples aren't even black - there is no mistaking the pitch black of the onyx inlay.