I just wanted to point out the Nomos Tangente Ref. one hundred and one is water-proof to 30m, not 100m. It doesn’t detract in the least from it however. It’s a lovely timepiece! RLX titanium is usually a grade five titanium alloy specifically picked by Rolex. Like all titanium alloys, https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/