Why is usually that important? If a unidirectional bezel is knocked and unintentionally moved over a dive, it might only Screen an extended underwater time. Meaning the wearer will overestimate as an alternative to undervalue immersion time, and in scenarios that demand decompression stops, this can be a make-it-or-break-it element https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/