JACOB & CO. ASTRONOMIA TOURBILLON SOLAR PLANETS ZODIAC 43.40MM

Brand: Jacob & Co.
Model:
Reference: AS310.40.SP.ZK.A

Description

Limited edition of 101 pieces.

Case:
Diameter: 43.40 mm.
Height: 21 mm.
Material: 18k rose gold and sapphire.
Case back: 18k rose gold.
Bows: winding and time-setting via two 18k rose gold bows.
Skylayer front case: aventurine.
Crystal: unique domed sapphire with double anti-reflective treatment.
Water resistance: 30 meters.

Dial and hands:
Blue PVD dial with rose gold plated engraving of zodiac signs.
Rose gold hands

Movement:
Calibre exclusive manufacture Jacob & Co. manual winding JCAM19.
Diameter: 34.55 mm.
Height: 16.50 mm (11.70mm excluding citrine).
Components: 447.
Material: Titanium.
Functions: Hours and minutes.
System: Vertical movement with 3 arms, full revolution in 10 min around a central axis.
• Flying tourbillon cage in 60 seconds.
• Rose gold and blue lacquered globe rotating in 60 sec.
• Hours and minutes dial, patented differential gears system℗ allows to keep the 12/6 o’clock position.
Citrine Jacob cut® (288 facets; ≈ 1.5 cts) on top of the movement.
Frame carrying 3 jacob cut® gems stones: amethyst, topaz and peridot.
Aventurine base rotates counter-clockwise 360 degrees in 10 minutes, carrying 7 planets made of cabochon cut precious stones half-spheres: white granite for Mercury, rhodonite for Venus, red jasper for Mars, pietersite for Jupiter, tiger eye for Saturn (18k rose gold applique for the rings), blue calcite for Uranus and lapis lazuli for Neptune.
Power reserve: 48 hours.
Frequency: 28,800 vib/h (4 Hz).
Jewels: 43.
Finishing: plate and bridges: sand-blasted and angled.
Geartrain: circular graining, polished sink.
Polished screws.
Barrel: circular graining.
Flat balance spring.

Strap and clasp:
Alligator.
18k rose gold folding.

Brand

Jacob & Co.

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