With an unconfirmed launch date that could be set as soon as late 2021, the rugged Apple Watch is rumored to offer similar functionality as the regular edition, but increased resistance to various hazards. This way, the new Apple Watch could compete with legendary rugged watches such as the Casio G-Shock.
https://www.notebookcheck.net/Rugged-Apple-Watch-for-extreme-conditions-could-come-out-later-this-year.529488.0.html