On One Hand: Timex Watches are Water ResistantTimex watches are resistant to water, down to the depth specified. Timex offers 50-meter (165 feet) water resistant watches, which can withstand up to 80 pounds per square-inch absolute (p.s.i.a.), or 80 pounds of water pressure.On the Other: There Are RestrictionsTimex watches are water-resistant insofar as the lens, buttons and case remaining intact. They cannot be used for diving or be taken below the maximum p.s.i.a. specified without being damaged. Buttons should not be pushed while under water, as this may cause water intake.Bottom LineTimex 50-meter water resistant watches can be used for normal, recreational swimming, but nothing more. If the watch exceeds its specified p.s.i.a.