So this is what it is!!! The Speedmaster Chrono Chime in 18k Sedna gold : r/OmegaWatches
Specialities Sedna™ gold Chronograph Watch 522.53.45.52.04.001
Specialities Sedna™ gold Chronograph Watch 522.53.45.52.04.001
Omega Speedmaster Chrono Chime & Olympic 1932 Chrono Chime.
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