Seems to me that most, if not all, non diver in house movement watches UN produce now have a water resistance of only 30m. Improving water resistance sounds like a better Business model... Anyway, I don't understand it. Making watches water resistant isn't that difficult or expensive. Definitely not compared to the difficulty of making this wonderful movement or the price of this timepiece, which I guess will be well over €10k.
Great pics btw, Amanico!
Wover