In most cases, if you watch stops then it is time for battery replacement.
Contact a certified watch repair specialist to have them install a new battery.
Always request the watch repair specialist to lubricate and reseal caseback
and crown to ensure original water resistance is maintained
.
A quick reference guide to help you understand the water resistance ratings
for watches and the various activities you can expose your watch to without
water damage is below. Watches, no matter what the water resistance is,
should not be worn in any hot tub, hot shower, sauna or steam room.
3 ATM = Splash Resistant
Suitable for a light rain or drizzle.
5 ATM = Water Resistant
Suitable for a rain, water balloon fight, or wading in a pool.
10 ATM =Water Sports Worthy
Suitable for swimming, surfing, diving up to 100 meters.
30 ATM=Submarine Worthy
Suitable for extreme depths of up to 300 meters.