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Cartier

I thought this was a surprisingly rudimentary article from SJX and it sounded like from their podcast its just a book report from a Citizen visit. Grade 2 - Pureish - isn't that hard but neither is 24k gold or pure platinum, it's all about the alloy.

 

Grade 5 titanium which is the other common watch making alloy, which SJX didn't bother mentioning, is much harder than typical 904/316 stainless. Anything will scratch or catch swirls but compared to 904/316 scratches will be much shallower and the material is much less likely to dent or chip. It's a huge difference in real world wearing. SJX should have at least acknowledged Grade 5 since it is also very common and ideally considered mentioning other less common titanium alloys and hardening treatments. Sinn used to do a tegimented grade 5, crazy durable, and there have been other alloys used by IWC and JLC that were harder than grade 5 or lighter than grade 2.

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