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MB&F Reveals HM4 Final Edition Watch

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Maximilian Busser & Friends (MB&F) make some of the most unusual luxury watches in the industry. Inspired by radar-deflecting stealth aircraft technology the Swiss watch manufacturer goes out with a new model simply called the “HM4 Final Edition.”

“The sleek aerodynamic form of HM4 has its roots in Maximilian Büsser’s childhood passion for assembling model plane kits, though none looked remotely as futuristic as these. The striking transparent sapphire section of the case requires over 185 hours of machining and polishing to transform an opaque solid block of crystal into a complex, exquisitely curved panel allowing the light to come in and the beauty of the HM4 engine to stand out. Every component and form has a technical purpose; nothing is superfluous and every line and curve is in poetic harmony. Articulated lugs ensure supreme comfort. Highly legible time is a fringe benefit.”

HM4 Final Edition is an exclusive limited edition of only 8 pieces available from The Hour Glass in Singapore; Westime in Los Angeles; Chronopassion in Paris; Chronometryx in Gstaad; and MB&F’s M.A.D.Gallery in Geneva. Full technical specifications below, to find out more, check out mbandf.com

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Technical Specifications:

HM4 Final Edition is a limited edition of 8 pieces in blackened titanium

Engine:
Three-dimensional horological engine developed 100% by MB&F
Manual winding with two mainspring barrels in parallel
Power reserve: 72 hours
Balance frequency: 21,600bph/3Hz
Number of components: 311
Number of jewels: 50

Functions:
Hours, minutes and power reserve indicator
Hours and minutes on right dial, power reserve indicator on left dial
Separate crowns for time setting and winding

Case:
Grade 5 titanium coated with black PVD
Dimensions: 54mm wide x 52mm long x 24mm high
Number of components: 67
Articulation of lugs: 3°

Sapphire crystals:
Five sapphire crystals: 2 x dials, 1 x central case section, 2 x display panels (top and bottom)

Strap & Buckle:
Hand-stitched calfskin strap with titanium/white gold custom-designed folding buckle attached to articulated lugs