Horological Machine N°9 Flow Rose Gold Air Edition

Inspired by the dynamic profiles of automotive and aviation mid-century design, the Horological Machine N°9 (HM9) ‘Flow’ is audacious in its design, not simply because of its unconventional form, but because of the extremes to take this form. Mould-breaking, transgressive case shapes are nothing new to the MB&F Horological Machine collection, but HM9 has rejected all limits. Its extreme curves and acute angles required new manufacturing standards and techniques to obtain a complete milled and finished case.

The dramatic geometry of the HM9 could only be supported by equally dramatic contrasts of finished surface, so manufacturing conventions evolved to meet the demands of HM9. The exuberant, expressive design is possible only because of the restraint and spatial efficiency of its engine.

The wide-to-narrow alternating arrangement of the three primary volumes of the HM9 case made it impossible to install the movement by conventional means, within a case with limited transverse symmetry. It was necessary to divide the case along two axes and devise an unprecedented three-dimensional gasket for water resistance. This patented innovation is completely novel in its execution throughout the watchmaking industry.

SPECIFICATIONS

  • Reference:

    90.RL.AB

  • Case Material:

    18K 5N+ Red Gold With Aviation-Style Dial And Nac-Finish Movement

  • Case Size:

    57 mm x 47 mm x 23 mm

  • Engine:

    Manual-Winding In-House Movement, Two Fully Independent Balance Wheels With Planetary Differential, Hours And Minutes On Vertical Dial Display, 301 Components And 52 Jewels
    Assembled In Three Segments With Patented Three-Dimensional Gasket, 49 Components

  • Functions / Indications:

    Hours And Minutes On Vertical Dial Display

  • Power Reserve:

    45 Hours

  • Frequency:

    2.5 Hz / 18,000 bph

  • Water Resistance:

    3 ATM (30m)

  • Strap:

    Hand-Stitched Brown Calf-Leather Strap With Red Gold Folding Buckle

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