Why is always that significant? If a unidirectional bezel is knocked and unintentionally moved with a dive, it could possibly only Show a longer underwater time. Which means the wearer will overestimate as opposed to underestimate immersion time, and in cases that demand decompression stops, This may be a make-it-or-split-it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/