MB&F Horological Machine N°9 'Sapphire Vision' White Gold
Ref. 91.SWL.BU (white gold with PVD-coated blue engine) · Limited to 5 pieces
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- A limited edition, so it can’t be returned · see our Refund policy
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HM9 began as ‘Flow’, shaped by the streamlined cars and aircraft of the mid-century. In Sapphire Vision the metal body becomes sapphire crystal, so the movement can be seen from every side.
This edition frames the sapphire in 18K white gold and colours the engine blue with PVD. Inside are two balance wheels beating independently, their rates averaged by a planetary differential, with two spherical propellers under the movement.
The time is shown on a vertical sapphire dial at the front, hours and minutes with Super-LumiNova. The movement is wound by hand: 301 components, 2.5 Hz, 45 hours of reserve. The case measures 57 by 47 by 23 mm and is water resistant to 30 m.
On a brown hand-stitched alligator strap with a white gold folding buckle. Limited to 5 pieces.
Specifications
Colours can look slightly different on screen.

MB&F
Description
HM9 began as ‘Flow’, shaped by the streamlined cars and aircraft of the mid-century. In Sapphire Vision the metal body becomes sapphire crystal, so the movement can be seen from every side.
This edition frames the sapphire in 18K white gold and colours the engine blue with PVD. Inside are two balance wheels beating independently, their rates averaged by a planetary differential, with two spherical propellers under the movement.
The time is shown on a vertical sapphire dial at the front, hours and minutes with Super-LumiNova. The movement is wound by hand: 301 components, 2.5 Hz, 45 hours of reserve. The case measures 57 by 47 by 23 mm and is water resistant to 30 m.
On a brown hand-stitched alligator strap with a white gold folding buckle. Limited to 5 pieces.
Specifications
Colours can look slightly different on screen.
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