I swim laps with this watch most every day for 2 years. In the ocean, great lakes, outdoor pool, and indoor pool. No problems. But, don't forget! Everytime you change battery you have to get watch re-sealed. Re-sealing cost $45. Re-sealing has to be done on all dive watches. F.Y.I. a watch needs to have a 100 meters rating or higher for swimming. This sturling regatta is 200.
