Why is usually that important? If a unidirectional bezel is knocked and accidentally moved on a dive, it may possibly only Exhibit an extended underwater time. Meaning the wearer will overestimate rather then undervalue immersion time, and in cases that involve decompression stops, This may be a make-it-or-split-it variable that https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/