Back in 2008 Felix Baumgartner , co-founder of luxury watch manufacturer URWERK , and Maximilian Büsser , creator of luxury watch brand MB&F , go for lunch and their topic of discuss creates a horological chain reaction. Their topic of discussion, was it possible and could they create a rotary engine (Wankel) inspired timepiece. As a result of their meeting, four years later we have a volatile new production company named C3H5N3O9 (nitroglycerin) and it's flagship the ZR012 which is the first to use an epicyloid indications in a wristwatch. For more information about the ZR012 check out the link above, but in all seriousness if you can afford the $125,000(US) price tag then does it really matter about the specs? The Wankel Engine In 1919, a 17-year-old German boy called Felix Wankel dreamt of a new type of engine. Despite no formal training, Wankel believed that he could design an engine in which the four stages of intake, compression, combustion and exhaust-took place in o