It scatters numerals about the dial in the random vogue, after which, with switchblade velocity, flicks the hour around to the right numeral, where ever it lays. This is something to behold. There's a rationale it’s the complication that put Franck Muller on the map. Besides exactly where noted in https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/