- Movement
- Hand-wound
- Size
- 44 mm
Overview
Hours and minutes without hands
The Jacob & Co. Mystery Tourbillon 44MM, reference SN810.30.AB.AA.A, in an 18-carat white gold case, 44 mm across and 21 mm high. Its 18-carat white gold hour and minute rings are set with white diamonds and blue sapphire hour markers, with ruby pointers, on a dark blue alligator leather strap with an 18-carat white gold folding clasp.
The case, rings and clasp are set with white diamonds, the hour markers are blue sapphires, and the two pointers are rubies.
This watch has no hands. Hours and minutes are shown on two concentric rings set with gems, and a pair of pointers marks the time. Jacob & Co. presents the display as a nod to mystery clocks, whose workings seemed to have no visible explanation.
Hand-wound calibre JCAM49 has 460 components and a 30-hour power reserve. Its tourbillon sits at the centre of the watch, has no upper bridge and turns on three axes, in 60, 120 and 120 seconds. Jacob & Co. says the carriage is covered for the first time by a flower-shaped decorative structure that turns with it. This version is limited to 18 pieces.
Key details
Design and engineering
- TourbillonCentral, flying, twin, triple-axis tourbillon with differential. The three axes turn in 60, 120 and 120 seconds.
- CaseInvisibly set with 260 white hexagon-cut diamonds (≈10.53 ct).
- Tourbillon carriageA Jacob-cut white diamond (0.4 ct) and 9 hexagon-cut white diamonds (0.59 ct).
- RingsInner ring: 48 white diamonds (≈3.52 ct) and 12 blue sapphire hour markers (≈1.68 ct). Minute ring: 95 white diamonds (≈4.82 ct) and 1 ruby (≈0.11 ct). Hour ring: 107 white diamonds (≈4.20 ct) and 1 ruby (≈0.12 ct).
- ClaspInvisibly set with 21 white diamonds (≈1.03 ct).
- Crystal and water resistanceCurved anti-reflective sapphire crystal. Water resistant to 10 m.
Calibre JCAM49
- Hand-wound
- 460 components
- 30-hour power reserve
- 21,600 vph (3 Hz)
- Central, flying, twin, triple-axis tourbillon with differential
The reference
Technical specifications
| Reference | SN810.30.AB.AA.A |
|---|---|
| Collection | The Mystery Tourbillon |
| Calibre | JCAM49 |
| 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 | 30 hours |
| Frequency | 21,600 vph (3 Hz) |
| Components | 460 |
| Case dimensions | 44 mm |
| Case height | 21 mm |
| Case material | 18-carat white gold |
| Crystal | Curved Anti-Reflective Sapphire Crystal |
| Case back | 18-carat White Gold |
| Water resistance | 10 m |
| Gem-setting: Case | Invisibly-set with 260 White Hexagon-cut Diamonds (≈10.53 ct.) |
| Gem-setting: Tourbillon carriage | 1 288-facet, Jacob-cut white diamond (0.4 ct.) & 9 hexagon-cut white diamonds (0.59 ct.) |
| Gem-setting: Inner ring | Invisibly-set with 48 White Diamonds (≈3.52 ct.) & 12 Blue Sapphire Hour Markers (≈1.68 ct.) |
| Gem-setting: Minute ring | Invisibly-set with 95 White Diamonds (≈4.82 ct.) and 1 Ruby (≈0.11 ct.) |
| Gem-setting: Hour ring | Invisibly-set with 107 White Diamonds (≈4.20 ct.) and 1 Ruby (≈0.12 ct.) |
| Gem-setting: Clasp | Invisibly-set with 21 White Diamonds (≈1.03 ct.) |
| Gem-setting: Total carat weight | 541 White Diamonds (≈25.13 ct.), 12 Sapphires (1.68 ct.) and 2 Rubies (≈0.23 ct.) |
| Dial | 18-carat White Gold Hour And Minute Rings |
| Hands | 2 Rubies |
| Strap | Dark blue alligator leather |
| Clasp | 18-carat White Gold Folding Clasp |
| Limited edition | 18 pieces |
Buying with HYPA
Purchase with confidence
- Warranty card status disclosed for every piece we sell
- Free insured delivery within Australia · international quoted
- Payment by bank transfer
- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
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