Why is that significant? If a unidirectional bezel is knocked and unintentionally moved on a dive, it may only display a longer underwater time. Meaning the wearer will overestimate as opposed to underestimate immersion time, and in cases that demand decompression stops, this can be a make-it-or-break-it element that can https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/