Why is the fact important? If a unidirectional bezel is knocked and unintentionally moved over a dive, it could only Show a longer underwater time. That means the wearer will overestimate instead of undervalue immersion time, As well as in conditions that involve decompression stops, this can be a make-it-or-split-it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/