Jacob & Co. Astronomia AT150.40.AC.SD.A Gravitational Triple Axis Automatic Tourbillon Piece Unique (2018)

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Jacob & Co. Astronomia AT150.40.AC.SD.A Gravitational Triple Axis Automatic Tourbillon Piece Unique (2018)

Name: Jacob & Co. Astronomia AT150.40.AC.SD.A Gravitational Triple Axis Automatic Tourbillon Piece Unique (2018)
Brand: Jacob & Co.
SKU: P5761S
Price: 360000.00 USD
Availability: InStock

$360,000.00 $900,000.00

By Jacob & Co.

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The Jacob & Co. Astronomia AT150.40.AC.SD.A is a horological spectacle that redefines the boundaries of traditional watchmaking, introduced in 2018 as part of the brand’s iconic Astronomia collection. Housed in a 50mm sapphire and 18k rose gold case, this timepiece offers a full panoramic view of its mesmerizing inner workings, protected by a domed sapphire crystal that wraps around the sides for uninterrupted visibility. At its heart is a gravitational triple-axis tourbillon, which rotates on three separate axes to counteract the effects of gravity, creating a ballet of constant motion.

Surrounding the tourbillon are three additional arms mounted on a rotating carrier: a magnesium lacquered globe representing Earth, a rotating diamond-cut sphere symbolizing the moon, and a subdial for hours and minutes that remains upright thanks to an ingenious differential system. This timepiece is powered by both an automatic movement and the manual-winding JCAM10 caliber. The manual movement completes a full rotation every 20 minutes and offers a 60-hour power reserve. The Astronomia AT150.40.AC.SD.A is not just a timepiece—it’s a kinetic sculpture that fuses astronomy, fine watchmaking, and high jewelry into one unforgettable creation.

*The original retail price is $900,000 and this is a Piece Unique (1/1).

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The Jacob & Co. Astronomia AT150.40.AC.SD.A is a bold and spectacular representation of modern haute horlogerie, redefining the boundaries between fine watchmaking and kinetic art. Crafted in 18k rose gold, its commanding 50mm case is fitted with a highly domed sapphire crystal, offering a panoramic view of the Astronomia’s mesmerizing universe of complications.

At the heart of this exceptional timepiece is the gravitational triple-axis tourbillon, which rotates on three separate axes, each at a different speed—60 seconds, 5 minutes, and 20 minutes—demonstrating Jacob & Co.’s unparalleled engineering prowess. Orbiting alongside the tourbillon are three additional satellite arms: a rotating magnesium lacquered globe representing Earth, a faceted 288-facet Jacob-cut diamond symbolizing the moon, and an off-centered dial for the hours and minutes, crafted from blue lacquered aluminum and designed to remain upright as it orbits the dial once every 20 minutes.

This timepiece is powered by both an automatic and manual movement. The movement, entirely developed in-house, is suspended from a vertical support structure and features intricate hand-finishing, with components visible from nearly every angle through the transparent sapphire case. The dramatic visual motion, combined with the layered architectural construction, creates a constantly evolving mechanical sculpture that transcends traditional watchmaking.

A masterpiece of innovation and extravagance, the Astronomia AT150.40.AC.SD.A is not merely a timekeeper—it is a showcase of creativity and horological artistry, designed for collectors who seek the rare and the extraordinary in their watch collections.

Reference number

AT150.40.AC.SD.A

Model

Astronomia Gravitational Triple Axis Automatic Tourbillon Piece Unique

Movement

Automatic & Manual Winding

Case Material

Rose Gold

Bracelet Material

Alligator Strap

Dial

Orbital

Case Diameter

50mm

Year

2018

Condition

Pre-Owned (Very Good)

Box & Papers

Original Box, Original Papers

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