“Ultraman” on eBay being sold by a clown who believes that he is better than the Omega Archival Team

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The way I understand it (my $0.02) : 'the time of the conception of the watch'. I.e. at some time (lets say the last time to do this before the moon landing) Omega decided that they would make a watch with a case-back reference 145.022-69, hippocampus symbol on the back, stepped dial etc etc etc...thus all -69's with this exact conceived-before-moonlanding-configuration, regardless of when they were assembled, are pre-moon, and every single model prior to this. But perhaps my understanding is wrong...

Ah I see, so the final configuration issued before the moon landing? Well that is pretty much the same as my belief so I'd go with that.