A simple watchface

Rainbow numbers are fascinating mathematical concepts often studied for their vibrant patterns and properties. These numbers exhibit a unique distribution of colors that can be applied in various combinatorial mathematics problems, making them intriguing for both amateur and professional mathematicians.

The Asus ZenWatch 3 offers a multifunctional watch face named "A Simple Watchface," which seamlessly blends digital and analog elements. Featuring animations and essential functionalities like a 12h format clock, date, ECG readings, and gyro sensors, it also displays phone and watch battery levels, as well as real-time precipitation updates.