Most people would agree the HM4 Thunderbolt is a pretty extreme Machine. Today we take “extreme” just a bit further. Today we bring you the HM4… in battledress!

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Two Limited Editions of just eight pieces each – a salute to the legendary WWII aircraft we dreamed of when we were kids.

Their titanium fuselage is studded with real rivets. The dual dials glow and sparkle with a warm vintage patina, created using a special blend of paint mixed with cream-coloured Super-LumiNova and very fine copper particles. The period look is further enhanced by the distinctive strap, which has been crafted from genuine antique Swiss military bags.

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And what did aircraft crews lovingly paint on the nose of their aircraft? Pin-ups, of course! The MB&F crew has adorned the HM4 squadron with the gracious “Razzle Dazzle” and playful “Double Trouble”. Each individually hand-painted by award-winning miniature painter Isabelle Villa.

Related link: MB&F - Maximilian Büsser & Friends - Horological Machines