I took it as workers, put it on and forgot, I wash my hands in them, I wander in the heat and frost. When they get dirty, I just brush with soap and water with a toothbrush. If you wash your hands, then after a while a gray coating from soap forms on the case and strap - it is washed off with water and a brush. I used the stopwatch several times, I didn’t test the timer and the alarm clock, although someone wrote that the backlight does not work when setting the alarm. The battery has been living for the 2nd year, the screen is not scratched, although I was lying around and incl. on the sand on the beach, etc. The coating has not peeled off despite brushing or other signs of rough handling. I like the design, it is appropriate for both business and work environments.
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