SPECIFICATIONS:
MB&F HOROLOGICAL
MACHINE NO. 9 ‘FLOW’
MOVEMENT: Manual-winding in-house movement, two
fully independent balance wheels with planetary
differential, 18,000bph frequency, single barrel with
45-hour power reserve, hours and minutes on vertical dial
display
CASE: Grade-5 57mm x 47mm x 23mm titanium, 43
components, water resistant to 30 meters, assembled in
three segments with patented three-dimensional gasket,
five sapphire crystals
STRAP: Hand-stitched brown calf-leather strap with
custom-designed titanium folding buckle
HM9 Air Edition
caption
INITIALLY ALL MB&F CASE MAKERS TURNED DOWN THE HM9
PROJECT, CALLING IT EITHER TOO DIFFICULT OR IMPOSSIBLE.
WINTER 2019 | INTERNATIONAL WATCH | 65