I bought this clock as a web meter swim. 5mtr water level in the description. The display size is great, readable without glasses. Lighting can be switched on and advisory tones can be switched off. After some training in the menu and easy to use. But 14 days later the clock was only nonsense on the display. Warranty thanks Amazon no problem, the new was Ruck-Zuck back in action. However, just 3 weeks, then again nonsense in the display. So back. In the description of the clock is now also only "water resistant" It is unfortunately useless for my purposes. I then bought the Timex Sports T5E231.