Why is the fact essential? If a unidirectional bezel is knocked and accidentally moved on a dive, it could only Exhibit an extended underwater time. That means the wearer will overestimate rather then undervalue immersion time, and in situations that involve decompression stops, this can be a make-it-or-split-it issue that https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/