HYT SKULL BAD BOY: to be seen at Baselworld 2016, Location: Palace, Booth 3A This hydro-mechanical watch has an opaque black fluid indicating the hours. The capillary measures less than one millimetre in diameter and has four angles, two of which are almost 90 degrees at the base. 65-hour power reserve. 50-piece limited edition http://www.hytwatches.com/collection-skull/watch/skull-badboy/ (PRNewsFoto/HYT Watches)