It's laser ablated titanium. There's no coating on it, it's just how the titanium looks after the ablation process. Same technique used on the 25th Anniversary Diver 300 bezel, the solid gold Diver 300 chrono (both D300 bezel inserts are ceramic) and the Worldtimer's Earth disc (titanium).I received mine about a week ago as well. It’s a stunning watch. The biggest surprise to me is the bezel - not only does it look stunning, but it is actually smooth. This picture shows it well - it sure what the coating/overlay is, but it certainly offers a level of protection that you don’t see on other bezels of the same appearance.
I contacted Omega asking them what the material use for coating the bezel is, but haven’t heard back yet.
Anyone have any thoughts?
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