Why is usually that critical? If a unidirectional bezel is knocked and unintentionally moved with a dive, it could possibly only Screen a longer underwater time. Which means the wearer will overestimate as opposed to undervalue immersion time, and in predicaments that require decompression stops, this can be a make-it-or-crack-it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/