Guess W0016L1 Operating Instructions Manual page 6

NOTE: If the crown cannot easily be pulled away from the case when
setting the time, gently unscrew the crown by turning it towards you.
After setting the watch, gently push the crown in while screwing it
back into the watch case. The crown must be fully screwed in to the
case to maintain water resistance.
Watches that are NOT marked as previously noted
are:
Up to 100 feet/30 meters (3 ATM)
Splash proof, not suitable for swimming
5 WOMENS