So you want to turn your Android Wear watch into a world-time watch? Global Timer for Android Wear has you covered. You will just have to take a glance at your watch to know the current time, date, month, and day in 3 different time zones.
The watch face displays battery status and weather. It has a gorgeous design. The watch face is compatible with Moto 360, LG G Watch / R, Fossil Q Founder, and other top Android Wear watches. More information is available here.