JACOB & CO. ASTRONOMIA TOURBILLON BAGUETTE LIMITED EDITION 50MM

REFERENCE : AT800.30.BD.BD.A
Brand: Jacob & Co.
Model:
Reference: AT800.30.BD.BD.A

Description

 

Limited edition of 18 pieces.

Case:
Diameter: 50 mm.
Thickness: 25 mm.
Material: 18k white gold and sapphire aperture.
Case back: 18k white gold.
Bows: winding and time-setting via 18k white gold lift-out rotating “bows” at case back.
Diamond layer front case: 18k white gold.
133 triangle-cut white diamonds (16.80 ct.).
Lugs: 80 baguette white diamonds invisibly set (6.10 ct.).
Crystal: unique domed sapphire with anti-reflective treatment.
Water resistant to 30 meters (ISO 2281).

Dial and hands:
Dial: titanium dial, polished and angled, lacquered indexes.
Hand-finished blue hands.

Movement:
Manufacture Jacob & Co. manual winding JCAM10.
Diameter: 40 mm.
Height: 17.15 mm.
Components: 365.
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.

Functions:
Hours, minutes dial rotating in 20 min on the central axis, patented differential gears system.
Faceted spherical diamond rotating in 60 sec on 2 axes (weight: 1 carat, 288 facets “Jacob cut”).
Magnesium lacquered globe rotating in 60 sec on 2 axes.
Gravitational tourbillon cage rotating on 3 axes: 1st axis: in 60sec, 2nd axis: in 5 min, 3rd axis: central axe in 20 min.

Strap and clasp: strap:
Alligator leather.
18k white gold folding buckle invisibly set with 22 baguette white diamonds (1.4 ct.).

Total carat weight: 235 white diamonds (24.30 ct.).

Brand

Jacob & Co.

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