3 hours, not bad for the price. I bought them assuming they would be good for the job. The first out of the box lasted about a month, and then the element you use to set the time fell off. I found it and tried to put it back on and it sat there for about a day and then it got lost again. Now I have an hour off thanks to daylight savings time, I constantly scratch myself with it when I'm wearing it and I have no way of stopping it from draining the battery. not be used up. I started using it and everything was fine until the last day. Now it stops keeping time for different periods very randomly. I won't buy them again and use the third one with caution as I'm pretty sure it will eventually break. It's probably better to buy a more expensive watch that will last more than a month.
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