The jellyfish-inspired tourbillon watch joins the trend for green watches

By Chris Hall

The ninth Horological Machine from MB&F (don’t let the name fool you; we had HMX and HM8 before HM7 was launched in 2017) is now available with a titanium case and on-trend green bezel and details. I would say dial details, but as usual the idea of a typical dial doesn’t really apply here. 
A quick recap: HM7 is a flying tourbillon watch that takes MB&F’s modernist creations into the ocean depths. Conceived by Max Busser and designed by Eric Giroud, it can be interpreted a number of ways: it plays with the classical idea of the diving watch, with its rotating bezel, but in placing that bezel outside a domed case, it evokes jellyfish, life-belts, and a steampunk submarine – although my mind still goes straight to old-school flying saucers. 
It is textbook MB&F in so many ways: the sapphire dome and radial indexes for hours and minutes; the melding and mixing of influences; the atypical treatment of the platinum automatic rotor – which here is surrounded by what look like the teeth of a giant squid, milled from a single piece of titanium. 

It is also perhaps the brand’s most polarising Horological Machine yet – when we first saw it at SIHH 2017 some reactions were muted, and while practicality and wearability have never been paramount considerations for HM buyers, the overall width of HM7 (53.8mm) and t...