In the meantime, there’s some evidence that Global distributors hated the inconsistent and infrequently illogical numbering systems of their Swiss overlords. 100M Water-resistant: Having a water resistance of around 100M you can certainly manage most predicaments in everyday life, like washing fingers, rain, swimming(be sure to tighten the crown when https://www.watchesworld.com/a-history-of-watch-reference-numbers/