JACOB & CO. ASTRONOMIA TOURBILLON BAGUETTE RUBY LIMITED EDITION 50MM

REFERENCE : AT800.40.BD.BR.A
Brand: Jacob & Co.
Model:
Reference: AT800.40.BD.BR.A

Description

Limited edition of 9 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.
Ruby layer front case: 18k rose gold, 257 rubies invisibly set ( 10.40 ct. ).
Lugs: 80 baguettes white diamonds invisibly set ( 6.10 ct. ).
Crystal: unique domed sapphire with anti-reflective treatment.

Dial and hands:
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.
288 facets spherical diamond rotating in 60 sec on 2 axes (weight: 1 carat; exclusive Jacob cut).
Magnesium lacquered globe rotating in 60 sec on 2 axes.
Gravitational tourbillon cage rotating on 3 axes: 1st axis: in 60 sec, 2nd axis: in 5 min, 3rd axis: central axe in 20 min.

Strap and clasp:
Alligator.
18k rose gold folding buckle invisibly set with 22 baguette white diamonds ( 1.40 ct. ).

Total carat weight: 257 baguette rubies ( 10.40 ct. ) and 102 baguette white diamonds ( 7.50 ct. ).

Brand

Jacob & Co.

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