WatchTime New York, America?s largest luxury watch show, starts on Friday! As we continue our countdown to the long-awaited collectors? event, taking place at Manhattan?s Gotham Hall on October 26-27, we are highlighting notable new timepieces that guests will discover there. Today, we?re taking a look at MB&F’s ninth Horological Machine, the aptly-named ‘Flow.’

Although it is directly influenced by the streamlined appearances of mid-century automobiles, like the Mercedes-Benz W196 and 1948 Buick Streamliner, and aircraft, like the De Havilland Venom, the MB&F HM9 Flow stands out as a different sort of mechanical beast. It follows closely in the spirit of previous Horological Machines like the HM4 Thunderbolt and HM6 Space Pirate through its complex combination of milled sapphire crystal and titanium case, yet represents a whole new design language for Max Büsser and his cohorts.
At first glance, the HM9 more closely resembles a jet engine, with its blend of alternating polished and satin finishes and space-age look, than any sort of timepiece. But it is a wristwatch and a fantastically ingenious one at that. Dualing balance wheels that operate independently of each other are found on each flank of the watch underneath domes of sapphire crystal. The central body of the watch houses this unique movement with a differential that averages the output of both balance wheels.

Acting as a hybrid drivers’ wristwatch, the dial is locating...