I just planned to indicate the Nomos Tangente Ref. 101 is waterproof to 30m, not 100m. It doesn’t detract in any way from it however. It’s a lovely timepiece! Bidirectional rotatable 60-moment graduated bezel with matt black Cerachrom insert in ceramic, polished lifted numerals and graduations Several of those manufacturers https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/