Christoph Laimer posted his clock on Thingiverse a few weeks ago and I eventually decided to have a go at it. A superb design and it actually works, ( although the Swiss watch making industry isn't going to be worried yet .
It's really a sophisticated design that does need some care in preparing the prints, especially when drilling out the holes. Printed on a UM2 running on default settings. Had to buy a set of micro drills specially for the job, ( about £12 on Ebay for a set of 150 drills ). Typically, for the 2mm pins I drilled the holes out to 2.1mm and got a nice sliding fit. The pins are brass rods from a model shop on Bay. Used Faberdashery Arctic White for the body, blue for the gears and translucent for the main spring. I used the translucent because I thought the plain PLA would be stronger than any of the colours.
Don't forget that Christoph Laimer, ( who designed the clock ) is Swiss. I suspect they start clock making in Switzerland around the age of 5. :-)