JACOB & CO. ASTRONOMIA TOURBILLON ZODIAC LIMITED EDITION 50MM

Brand: Jacob & Co.
Model:
Reference: AT100.40.AC.AB.B

Description

Limited edition of 12 pieces.

Case:
Diameter: 50 mm.
Thickness: 25 mm.
Material: 18K Rose Gold; Sapphire Apertures on Sides.
Case Back: 18K Rose Gold.
Bows: Winding and Time-Setting via 18K Rose Gold lift-out rotating “bows” at case back.
Front Case: Aventurine segments with 18K Rose Gold Zodiac signs.
Crystal: Unique Domed Sapphire with Anti-reflective Treatment.
Water resistance: 30 meters.

Dial and hands:
Titanium Dial, Hand-angled and Polished, Engraved and Lacquered Indexes.
Blued Jacob & Co. designed hands.

Movement:
Calibre: Exclusive Jacob & Co. Manual Winding JCAM18.
Diameter: 40 mm.
Height: 17.15 mm.
Components: 365.
Functions:
Hours, Minutes Dial Rotating in 10 min on the Central Axis.
Patented Differential Gears System.
288 Facets Spherical Exclusive Jacob Cut Diamond (1ct.) rotating in 30 sec on 2 axes.
Magnesium Lacquered Globe Rotating in 30sec on 2 axes.
Gravitational Tourbillon Cage Rotating on 3 axes.
• 1st Axis: in 60sec.
• 2nd Axis: in 2.5min.
• 3rd Axis: Central Axe in 10min.
Power Reserve: 60-Hours.
Frequency: 21’600 vib/h (3 Hz).
Jewels: 42.
System: Gravitational Triple Axis Tourbillon.
Finishing: Plate and Bridges: Hand Angled and Polished, Flank Draw, Circular Graining, Polished Sink; Polished Screws.
Barrel: Circular Graining.
Pinions: Conical Pinions.
4 Mechanical Ball Bearing Devices.
Flat Balance Spring.

Strap and clasp:
Alligator.
18K Rose Gold Folding Buckle.

Brand

Jacob & Co.

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