Details from 3 paintings by Vermeer. Tap on the centre of the watch face to change the image. Green emerald shows the hour, red ruby shows the minute. Fading display at the outermost ring shows the seconds. Outermost dial shows battery power. Blue sapphire shows watch battery power percentage, yellow topaz shows phone battery power percentage. Battery indicators flash when power drops below 30%. Tap actions on the date, time, ruby and topaz launch the calendar, timer, Google Fit or Samsung Health and messages apps respectively. Lock or unlock these 4 tap actions by tapping on the padlock icon at the 12 oclock position. Tap actions were tested on a Samsung Galaxy watch and may not work on other smartwatches. If the tap action for timer does not work because there is no timer app in your Samsung watch, please try installing the free timer app from Samsung Electronics. The tap action should work once the timer app is in your watch. The app can be downloaded from Galaxy Store, watch apps category.