- Movement
- Hand-wound
- Size
- 50 mm
Overview
Two tourbillons joined back to back
The Jacob & Co. Mystery Tourbillon, reference SN800.30.BD.UJ.A, in an 18-carat white gold case, 50 mm across and 25 mm high. Its titanium hour and minute rings are each set with 119 icy blue sapphires and 1 white diamond, on a dark blue alligator leather strap with an 18-carat white gold folding clasp. This version is a pièce unique.
The case carries 192 hexagon-cut white diamonds. Icy blue sapphires also set the inner ring and the clasp, the 12 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 icy blue sapphires (≈4.56 ct). Minute ring: 119 icy blue sapphires (≈6.1 ct) and 1 white diamond (≈0.18 ct). Hour ring: 119 icy blue sapphires (≈8.11 ct) and 1 white diamond (≈0.28 ct). Hour markers: 12 white diamonds (≈1.49 ct). Clasp: 18 baguette icy blue sapphires (≈1.76 ct). Hands: 2 white diamonds.
- CaseDouble-curved anti-reflective sapphire crystal and an 18-carat white 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 | SN800.30.BD.UJ.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 white gold |
| Crystal | Double-curved Anti-Reflective Sapphire Crystal |
| Case back | 18-carat White 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 Icy Blue Sapphires (≈4.56 ct.) |
| Gem-setting: Minute ring | Invisibly-Set with 119 Icy Blue Sapphires (≈6.1 ct.) and 1 White Diamond (≈0.18 ct.) |
| Gem-setting: Hour ring | Invisibly-Set with 119 Icy Blue 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 Icy Blue Sapphires (≈1.76ct.) |
| Gem-setting: Total carat weight | 346 Icy Blue Sapphires (≈38.86 ct.) and 206 White Diamonds (≈14.36 ct.) |
| Dial | Titanium Hour And Minute Rings |
| Hands | 2 White Diamonds |
| Strap | Dark blue alligator leather |
| Clasp | 18-carat White 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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