What is Water resistance?
Water resistance (ATM / IP)
5 ATM means swim-safe; IP68 means splash and rain only.
Short answer
IP68 is not the same as 5 ATM.
Water resistance when buying a smartwatch & fitness band
5 ATM means swim-safe; IP68 means splash and rain only.
Why it matters: Swimmers must have 5 ATM; IP68 watches fail in a pool.
Look for: IP68 is not the same as 5 ATM.
Full Smartwatch & Fitness Band buying guide