Apple Watch SE features a water resistance rating of 50 meters underneath ISO normal 22810:2010. Because of this it might be used for shallow-water pursuits like swimming in the pool or ocean. Apple Watch SE really should not be useful for scuba diving, waterskiing, or other pursuits involving high-velocity water https://www.jowissa.com/de-na/products/tiro-swiss-made-watch-j4-299-m