Aside from magnetism, a mechanical watch has no greater nemesis than water and the outcome of an encounter. In such case, it all boils down to the mastery of engineering and, above all, trust. But what does it mean for a diving watch to be water resistant? And how does one ensure that it remains that way? In this episode, we plunge into this aspect and hear from watch collector and hobby diver Mark Levinson on why he chooses to rely on his Aquatimer.