MB&F
Past Machines
Ref. HOROLOGICAL MACHINE N°4
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Specifications
Reference
- Collection
- Past Machines
- Reference
- HOROLOGICAL MACHINE N°4
Case
- Material
- Titanium
- Size
- 52 mm
Movement
- Power reserve
- 72 hours
About this reference
The streamlined, faster-than-sound looking HM4 ‘Thunderbolt’ stretches horological art to its very limits. Both the aviation-inspired case and the engine inside have been described as radical, even anarchistic! Case: HM4 Thunderbolt in grade 5 titanium and sapphire crystal; HM4 Razzle Dazzle and Double Trouble in riveted titanium and sapphire, with hand painted nose art; HM4 RT in 5N red gold, grade 5 titanium and sapphire crystal; HM4 Final Edition in blackened titanium and sapphire crystal; Dimensions: 54 x 52 x 24mm. Engine: Three-dimensional horological engine developed with Laurent Besse and Beranger Reynard; Manual winding with two mainspring barrels in parallel; 311 components / 50 jewels / 72h power reserve. Sapphire crystals: Five sapphire crystals: 2 x dials, 1 x central case section, 2 x display panels (top and bottom). Functions & Indications: Hours and minutes on right dial, power reserve indicator on left dial; Separate crowns for time setting and winding.
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