I saw a co-worker's "Abyss" watch from ThinkGeek and had to have one. I ordered from Amazon, and here are the instructions for setting the time:
Note the completely made-up words. Happily, the reverse side had instructions in Mandarin, and I have easy access to a native speaker/reader. The instructions really are: tap face eight times and hold for three seconds to set the hours. Hope this helps someone and hope that more companies employ better translators, or at least use google translate.