Wildforlife Monster Hunter Zinogre Icon Collector's Edition Touch LED Watch Gently touch the touch screen to display the time on demand Automatic display mode:every 15 minutes will display the time.If you don't like it,you also can turn off this mode The way to set time please refer to our product description 3ATM water resistant (This level will easily withstand splashes or brief immersion in water, or getting caught in the rain. However, it is not sufficiently resistant for swimming or bathing) CR 2032 battery