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MB&F Reveals HM4 Final Edition Watch

Technical Specifications:


Horological Machine No.4 Final Edition Technical Specifications

HM4 Final Edition is a limited edition of 8 pieces in blackened titanium

Three-dimensional horological engine developed 100% by MB&F
Manual winding with two mainspring barrels in parallel
Power reserve: 72 hours
Balance frequency: 21,600bph/3Hz
Number of components: 311
Number of jewels: 50

Hours, minutes and power reserve indicator
Hours and minutes on right dial, power reserve indicator on left dial
Separate crowns for time setting and winding

Grade 5 titanium coated with black PVD
Dimensions: 54mm wide x 52mm long x 24mm high
Number of components: 67
Articulation of lugs: 3°

Sapphire crystals:
Five sapphire crystals: 2 x dials, 1 x central case section, 2 x display panels (top and bottom)

Strap & Buckle:
Hand-stitched calfskin strap with titanium/white gold custom-designed folding buckle attached to articulated lugs