- Movement
- Hand-wound
- Size
- 44 mm
Overview
A solar system turning on a vertical platform
The Jacob & Co. Astronomia Solar Zodiac, reference AS910.40.BD.UB.A, in an 18-carat rose gold case, 44 mm across and 21 mm high. Its base and lugs are set with 382 icy blue baguette sapphires (≈8.74 ct) and 76 white diamonds (≈4.84 ct), on a blue alligator strap with a rose gold clasp. This version is a pièce unique.
The base and lugs carry icy blue sapphires alongside white diamonds, and the clasp matches the rose gold case.
Jacob Arabo introduced the Astronomia concept in 2014, turning his interest in space into a watch. Here a vertical platform rises from the dial and makes a full turn every 10 minutes. Satellite arms carry the tourbillon, the time dial and the planets.
The hour and minute dial hangs at the end of one arm. As the platform turns, a differential system spins the dial the opposite way at the same speed, so the Zodiac signs stay upright and readable. Hand-wound calibre JCAM19 has 447 components and a 48-hour power reserve. Its flying tourbillon hangs from another arm and turns in 60 seconds; carried by the platform, it gains a second axis with a 10-minute period. An Earth globe turns in 60 seconds.
Key details
Design and engineering
- DialBlue PVD with rose gold-plated engravings of the Zodiac signs.
- Platform baseSeven cabochon-cut hard-stone planets. The base turns counterclockwise in 10 minutes.
- Gem-setting, base and lugs382 icy blue baguette sapphires (≈8.74 ct) and 76 baguette white diamonds (≈4.84 ct).
- Gem-setting, clasp21 baguette diamonds (≈1.07 ct).
- Case18-carat rose gold with sapphire side panes and a curved anti-reflective sapphire crystal. Water resistant to 30 m.
Calibre JCAM19
- Hand-wound
- 447 components
- 48-hour power reserve
- 28,800 vph (4 Hz)
- Double-axis flying tourbillon, one rotation in 60 seconds
The reference
Technical specifications
| Reference | AS910.40.BD.UB.A |
|---|---|
| Collection | Astronomia |
| Calibre | JCAM19 |
| Movement | Hand-wound |
| Functions | Vertical Rotating Central Platform: Rotation in 10 minutes; Flying Tourbillon: Rotation in 1 Minute; Off-centered Hour and Minute Dial with Differential; Rotating Base: Counterclockwise Rotation in 10 minutes; Rotating Magnesium Earth Globe: Rotation in 60 Seconds |
| Power reserve | 48 hours |
| Frequency | 28,800 vph (4 Hz) |
| Components | 447 |
| Case dimensions | 44 mm |
| Case height | 21 mm |
| Case material | 18-carat rose gold and sapphire side panes |
| Crystal | Curved Anti-Reflective Sapphire Crystal |
| Case back | 18-carat Rose Gold |
| Water resistance | 30 m (3 atm) |
| Gem-setting: Base & lugs | Set with 382 Icy Blue Baguette Sapphires (≈8.74 ct.) and 76 Baguette White Diamonds (≈4.84 ct.) |
| Gem-setting: Clasp | Set with 21 Baguette Diamonds (≈1.07 ct.) |
| Dial | Blue PVD Dial with Rose Gold-Plated Engravings of Zodiac Signs |
| Platform base | 7 cabochon-cut Hard-stone Planets |
| Hands | Rose Gold, Exclusive Jacob & Co. Shape |
| Strap | Blue alligator leather |
| Clasp | 18-carat Rose Gold Deployant 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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