With Watch OS 4, Apple introduced a new kind of watch face – Kaleidoscopic. This takes an image, fragments it, and makes makes moving patterns on the watch face. There are a few floral examples to play with, but you can also select your own.
I have a small fascination with Metric Time. The continuance of the French project to measure the world in sensible, easy to understand units. Like the Metre, the Litre and other metric units, Metric time divides the day up into easy to comprehend units. So, you get 10 hours in a day (instead of the normal 24), and each hour is divided into 100 minutes, and each minute divided into 100 seconds.