Why is the fact crucial? If a unidirectional bezel is knocked and accidentally moved over a dive, it could only Exhibit an extended underwater time. Meaning the wearer will overestimate in lieu of undervalue immersion time, As well as in conditions that demand decompression stops, this can be a make-it-or-crack-it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/