LMLE does not have a Ceramic case, Black Black and Sedna Black obviously do...
GSOTM definitely does not have a platinum case...but does have a platinum dial ...and the Platinum marker (pt950) is on the Dial...
So the dial marking to reflect the case theory is flawed. Furthermore, omega has always engraved the case material on the case back...
(titanium, ZrO2, Sedna gold, 18k, or even SS)
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