gatorcpa
··ΩF InvestiGatorWell, there you go!
My 167.005 has a similar crown. I have no clue whether it is original or not, but I won't change it. I think it is far more functional that the 10-siders. The replacements you can get today are far thicker than the originals. IMO, this skews the aethetics of the whole watch.

Take care,
gatorcpa