At the end of 2018, MB&F launched one of their most radical Horological Machines, the HM9 ‘Flow‘.
In 2021, the Geneva-based brand goes even further presenting the new HM9 ‘Sapphire Vision‘. Thanks to a a transparent sapphire crystal shell, the HM9 engine is now revealed in all its amazing details.
Inspired to the lines of automotive and aviation mid-century design and somehow reminiscent of a jet engine, the HM9 ‘Sapphire Vision‘ comes in four editions, each limited to only five pieces: two editions with 18K white gold frame, featuring a PVD-coated purple or red gold-plated engine, and two editions with 18K 5N+ red gold frame, combined with a PVD-coated blue or NAC-coated black engine.
The case is characterised by an outer hull of sapphire crystal and precious metal, curved and bubbled and precisely fitted together in three parts, sealed with a proprietary combination of patented three-dimensional gasket and high-tech compound bonding process to guarantee water resistance to 3 ATM (approximately 30 metres / 100 feet).
Two independent balances, slowly beating at the frequency of 2.5 Hz (18,000 vibrations per hour), provide two sets of chronometric data that can be translated by a differential to produce one stable averaged reading.
Conical gears turn the engine’s energy and information current through a 90° angle to feed the time display on a sapphire crystal dial, marked with Super-LumiNova for enhanced legibility in poor light environments.
On the reverse, co-axial beneath each of the balances, we find two spherical turbines that spin freely as an element of pure visual interest.
Comprised of 301 components and 52 jewels, the HM9 engine is equipped with a single barrel delivering an autonomy of 45 hours when fully wound.
Measuring 57 mm x 47 mm x 23 mm, the watch is secured to the wrist by a hand-stitched brown or black alligator strap with red or white gold folding buckle matching the case.
The retail price for each of the MB&F Horological Machine N°9 ‘Sapphire Vision’ editions is CHF 390,000 / Euro 362,000 + VAT / US$ 440,000. mbandf.com