I just wanted to indicate the Nomos Tangente Ref. one zero one is water resistant to 30m, not 100m. It doesn’t detract in the slightest degree from it however. It’s a stunning timepiece! RLX titanium is usually a grade 5 titanium alloy specially selected by Rolex. Like all titanium alloys, https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/