- Movement
- Hand-wound
- Size
- 57.8 x 44.4 mm
Overview
A W16 engine block in a transparent case
The Jacob & Co. Bugatti Chiron Tourbillon Sapphire Crystal, reference BU210.80.AC.AB.B, in a case of sapphire crystal with anti-reflective coating, 57.8 x 44.4 mm and 21.5 mm high. Its rhodium-plated dial has red indices and a red “EB” logo, on a white translucent rubber strap with a red PVD titanium deployant clasp.
The crowns and pusher are red PVD titanium and sapphire crystal, and the case back is sapphire crystal and red PVD titanium. The skeleton hands are rhodium-plated with red and luminescent tips. This version is a pièce unique.
Jacob & Co. and Bugatti began their partnership in 2019. The case reinterprets the Chiron’s horseshoe grille, quarter glass and headlights in sapphire crystal, and seven sapphire panels give a view of the movement. Jacob & Co. says that growing, cutting and polishing a sapphire crystal of this size takes a great deal of time and skill.
Hand-wound calibre JCAM37 has 578 components, 51 jewels and a 60-hour power reserve. Its automaton is a W16 engine block in transparent sapphire, with 16 pistons driven by a single crankshaft in a 15-second sequence. A tubular structure frames the flying tourbillon, which turns once a minute at a 30-degree incline, and four coiled springs act as shock absorbers.
Key details
Design and engineering
- AutomatonA W16 engine block in one piece of transparent sapphire, with 16 pistons moving in their cylinders.
- TourbillonA one-minute flying tourbillon at a 30-degree incline, held without an upper bridge.
- Power reserveA 60-hour reserve, shown by a fuel gauge-style indicator at 9 o’clock.
- CrownsThree crowns on the case flank: the left sets the time, the centre winds the movement and the automaton, and the right starts the animation.
- CaseAnti-reflective sapphire crystal with seven sapphire panels. Water resistant to 30 m.
Calibre JCAM37
- Hand-wound
- 578 components
- 51 jewels
- 60-hour power reserve
- 21,600 vph (3 Hz)
- One-minute flying tourbillon with 30° incline
- W16 engine-block automaton
The reference
Technical specifications
| Reference | BU210.80.AC.AB.B |
|---|---|
| Collection | Bugatti |
| Calibre | JCAM37 |
| Movement | Hand-wound |
| Functions | Hours, Minutes; One-minute Flying Tourbillon with 30° Incline; W16 Engine-block Automaton; Power Reserve Indicator at 9 o'clock |
| Power reserve | 60 hours |
| Frequency | 21,600 vph (3 Hz) |
| Components | 578 |
| Jewels | 51 |
| Case dimensions | 57.8 x 44.4 mm |
| Case height | 21.5 mm |
| Case material | Sapphire crystal with anti-reflective coating |
| Crystal | Anti-Reflective Sapphire Crystal |
| Case back | Sapphire Crystal and Red PVD Titanium |
| Water resistance | 30 m (3 atm) |
| Crowns and pusher | Red PVD Titanium and Sapphire Crystal |
| Dial | Rhodium-plated Dial with Red Indices and Red "EB" Logo |
| Hands | Rhodium-plated Skeleton Hands with Red and Luminescent Tips |
| Strap | White translucent rubber |
| Clasp | Red PVD Titanium Deployant Clasp |
| Limited edition | Pièce unique |
Buying with HYPA
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