Guess 10179G Booklet page 14

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
14 mens