Engine-uity

Ariel Adams takes a close look at MB&F's Horological Machine No. 4 “Thunderbolt”, one of the most visually stunning watches in existence

SCORECARD
Engine:
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
Functions:
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.
Case:
Grade 5 titanium and sapphire. Dimensions: 54mm wide x 52mm long x 24mm high. Number of components: 65. 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:
Black hand-stitched calfskin strap with titanium/ white gold custom designed deployment buckle attached to articulated lugs

 

Ariel Adams is a world renowned timepiece journalist and the most popular watch writer on the Internet. In addition to being the Watch Editor of HK Golfer, he publishes the luxury watch review website aBlogtoRead.com

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Written by Ariel Adams

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