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4. HM5

MB&F caliber HM5

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Brand:	MB&F
Reference:	HM5
Movement:	Automatic
Display:	Analog
Jewels:	30
Reserve:	42
Frequency:	28800
Hands:	Minutes, Jumping Hours

HM5 description

Three-dimensional horological engine developed by Jean-François Mojon and Vincent Boucard of Chronode
Powered by a Sowind gear train
22k gold ‘battle axe’ automatic winding rotor
Power reserve: 42 hours
Balance frequency: 28,800bph / 4Hz
Number of components: 224
Number of jewels: 30
Engine housed in a water resistant inner container

All watches using the MB&F HM5 movement:

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55.RL.B MB&F Horological Machine N°5 HM5 Red Gold

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55.ZL.B MB&F Horological Machine N°5 HM5 Zirconium

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55.CMT.B MB&F Horological Machine N°5 HM5 CarbonMacrolon