Why is crucial? If a unidirectional bezel is knocked and unintentionally moved on a dive, it might only display a longer underwater time. Which means the wearer will overestimate as opposed to undervalue immersion time, and in predicaments that call for decompression stops, this can be a make-it-or-split-it element that https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/