Sam

An abstract watch face with shapes.

Hour is indicated by the upper shapes, the total number of edge = the current hour. e.g. triangle (3) + square(4) = 7 o'clock.

Minute is similar with a base unit of 5 mins. e.g. circle(1) + hexagon(6) = 7 * (5 min) = around 35min.

It's available for Pebble.

You can find the source code here.