MB&F HM5 Macrolon
Black. As a colour, or to be more accurate, an absence of colour, there's nothing quite like it. Other colours go in and out of fashion, but black is always in. So adding a coat of black paint, a.k.a. PVD, to the case of the super-car-inspired HM5 would appear to be the sensible thing to do.
But since when has MB&F taken the sensible route?
While Horological Machine No.5’s striking, angular case architecture faithfully echoes the form of the streamlined supercars that inspired it, those sharp corners would make a black PVD coating more susceptible to being scratched than a more conventional design.
So rather than take the easier path of adding a black PVD coat to the existing HM5 case, MB&F went in search of a solid black material that:
• Could be polished and finished like metal.
• Felt as solid and substantial as metal.
• Was as hard as steel.
Unfortunately, no material with those properties existed. So MB&F asked a specialist supplier to develop one.
It took a full 18 months, but they finally did: MB&F calls it CarbonMacrolon. CarbonMacrolon is a dense black polycarbonate resin reinforced with carbon nanotubes. It can be polished and finished like steel, feels as solid as steel and is as hard as steel. And it is black right through, so no surface coatings to scratch off.
Technical specifications
ENGINE
Three-dimensional horological engine developed by Jean-François Mojon and Vincent Boucard of Chronode
Powered by a Sowind gear train
Iridescent purple 22k gold battle-axe ‘mystery’ automatic winding rotor Power reserve: 42 hours
Balance frequency: 28,800bph/4Hz
Number of components: 224
Number of jewels: 30
Engine housed in a water-resistant, stainless steel inner container
FUNCTIONS / INDICATIONS
Minutes and bi-directional jumping hours displayed by reflective sapphire crystal prism with integrated magnifying lens
Slide to open/close louvres on case top
CASE
CarbonMacrolon with internal water-resistant steel engine container Slide button to open/close louvres
Exhaust ports to drain water
Dimensions: 51.5mm x 49mm x 22.5mm
Number of components: 80
Water resistance of engine container: 30m / 90’ / 3atm
SAPPHIRE CRYSTALS
Smoked optical grade sapphire crystal with anti-reflective coating and 20% magnification. Sapphire crystal on back with anti-reflective treatment on both faces
STRAP & BUCKLE
Sculpted rubber strap, titanium tang buckle
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