The inner white and blue circle shows the current hour while the inner white and orange circle shows the current minute. The streak of orange around the hour dial shows the seconds. Regarding the two white circles on the outermost dial, the left one shows the remaining phone battery power while the right one shows the remaining watch battery power. Battery power indicators will flash when battery power is reduced to below 30%. Tap actions on the 12, 3, 6 and 9 oclock positions and the date and weather will launch the alarm, GoogleFit or Samsung Health, messages, timer, calendar and weather apps respectively. Tap actions were tested on a Samsung Galaxy watch and may not work on other smartwatches. You need to have the timer app from Samsung Electronics for the timer tap action to work. This can be downloaded free from the Galaxy Store if you have a Samsung watch.