- Movement
- Hand-wound
- Size
- 50 mm
Overview
Two tourbillons joined back to back
The Jacob & Co. Mystery Tourbillon, reference SN800.40.BD.UA.A, in an 18-carat rose gold case, 50 mm across and 25 mm high. Its titanium hour and minute rings are each set with 119 orange sapphires and 1 white diamond, on a blue alligator leather strap with an 18-carat rose gold folding clasp. This version is a pièce unique.
The case carries 192 hexagon-cut white diamonds. Orange sapphires also set the inner ring and the clasp, the hour markers are white diamonds, and the two hands are set with white diamonds.
Jacob & Co. describes the watch as a double tribute. One half is to mystery clocks, which it credits to the 19th-century watchmaker Jean-Eugène Robert-Houdin. The other is to the tourbillon. Hours and minutes are shown on two concentric rings rather than on a conventional dial.
Hand-wound calibre JCAM32 has 430 components and a 50-hour power reserve. Its two tourbillons are coupled back to back, with a differential linking them, and sit in a deep pit at the centre of the watch. The tourbillon is flying, held on a single anchoring point, and turns on three axes with no upper bridge, in 60, 120 and 120 seconds.
Key details
Design and engineering
- TourbillonA central, flying, twin tourbillon with a differential, turning on three axes in 60, 120 and 120 seconds.
- DialTitanium hour and minute rings, concentric, with no conventional dial.
- Gem-settingCase: 192 hexagon-cut white diamonds (≈12.41 ct), invisibly set. Inner ring: 108 orange sapphires (≈4.56 ct). Minute ring: 119 orange sapphires (≈6.1 ct) and 1 white diamond (≈0.18 ct). Hour ring: 119 orange sapphires (≈8.11 ct) and 1 white diamond (≈0.28 ct). Hour markers: 12 white diamonds (≈1.49 ct). Clasp: 18 baguette orange sapphires (≈1.76 ct). Hands: 2 white diamonds.
- CaseDouble-curved anti-reflective sapphire crystal and an 18-carat rose gold caseback. Water resistant to 30 m.
Calibre JCAM32
- Hand-wound
- 430 components
- 50-hour power reserve
- 21,600 vph (3 Hz)
- Central, flying, twin, triple-axis tourbillon with differential
The reference
Technical specifications
| Reference | SN800.40.BD.UA.A |
|---|---|
| Collection | The Mystery Tourbillon |
| Calibre | JCAM32 |
| Movement | Hand-wound |
| Functions | Mysterious Hour and Minute Rings; Central, flying, twin, triple-axis tourbillon with differential; 1st Axis: Rotation in 60 Seconds; 2nd Axis: Rotation in 120 Seconds; 3rd Axis: Rotation in 120 Seconds |
| Power reserve | 50 hours |
| Frequency | 21,600 vph (3 Hz) |
| Components | 430 |
| Case dimensions | 50 mm |
| Case height | 25 mm |
| Case material | 18-carat rose gold |
| Crystal | Double-curved Anti-Reflective Sapphire Crystal |
| Case back | 18-carat Rose Gold |
| Water resistance | 30 m (3 atm) |
| Gem-setting: Case | Invisibly-Set with 192 Hexagon-cut White Diamonds (≈12.41 ct.) |
| Gem-setting: Inner ring | Invisibly-Set with 108 Orange Sapphires (≈4.56 ct.) |
| Gem-setting: Minute ring | Invisibly-Set with 119 Orange Sapphires (≈6.1 ct.) and 1 White Diamond (≈0.18 ct.) |
| Gem-setting: Hour ring | Invisibly-Set with 119 Orange Sapphires (≈8.11 ct.) and 1 White Diamond (≈0.28 ct.) |
| Gem-setting: Hour markers | 12 White Diamonds (≈1.49 ct.) |
| Gem-setting: Clasp | Set with 18 Baguette Orange Sapphires (≈1.76ct.) |
| Gem-setting: Total carat weight | 346 Orange Sapphires (≈38.86 ct.) and 206 White Diamonds (≈14.36 ct.) |
| Dial | Titanium Hour And Minute Rings |
| Hands | 2 White Diamonds |
| Strap | Blue alligator leather |
| Clasp | 18-carat Rose Gold Folding Clasp |
| Limited edition | Pièce unique |
Buying with HYPA
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- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
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