This watchface tracks my working hours with the click of a button and allowed me to go from a 60+ to a manageable ~45 hour workweek. In addition to this it also displays several metrics regarding my sleep, health and habits. Having all this information on hand allowed me to sleep better, work better and finally find more time for my other projects.
Building the watchface
First of all you need to have the last Pebble SDK (RIP) installed.
$ pebble --version Pebble Tool v4.5 (active SDK: v4.3)
Once you do, just run the following from the subdirectory.
The watchface binary will then be at