Hands-on: Jacob & Co. Astronomy Sky
The Astronomia series tourbillon is Jacob & Co's unique way of creating astronomical complications. Generally, they are not intended to represent the actual astronomical cycle with a high degree of accuracy (currently the most complicated example of a watch is probably the Celestia by Vacheron Constantin). Instead, they are a kinetic sculpture of the wrist, based on a four-armed carrier system that supports various additional displays or representations of celestial bodies.
Astronomia watches also feature a very thick case and high domed crystals, emphasizing the three-dimensionality of the carrier structure (as well as providing a true celestial vision). While we've said that in general, accurate celestial cycles are not what Jacob & Co. seeks in these watches, in the case of the Astronomia Sky there is a very precise sidereal time indication, as well as an elevated indication of the stars .high quality watches replica
The entire carrier system rotates around the dial every 20 minutes. At the end of each arm is a dial showing the time, moving clockwise; a stylized rocket ship running stopwatch that rotates on its own axis once every minute; a dual-axis tourbillon (plus the central rotation point of the carrying system) , actually a three-axis tourbillon) and a rotating globe cut from orange sapphire.
The dial showing the time is fixed to the differential system, so no matter where it is mounted, it is always facing up. Just behind it, you can see the central globe, which rotates within a tinted sapphire hemisphere (the globe is hand-carved titanium and turns every 24 hours).
The tourbillon rotates around its innermost axis every 60 seconds and around its outer axis every 5 minutes (3 times per hour, of course, around the inside of the best replica watches).
Jacob & Co. Astronomia Solar
The Jacob & Co. Astronomia Solar is the latest version of the Astronomical Tourbillon, one of the most talked about watches at Baselworld 2014. The Wall Street Journal's Michael Clerizo called it one of his three favorite watch exhibitions, and that a company primarily known for its fine jewelry timepieces has created such a complex mechanism, and something visually spectacular, This leaves a lot of people dizzy and tongue wagging. Granted, this isn't Jacob & Co.'s first high-end mechanical complication, but it's certainly the most stunning from a design standpoint, and it's certainly captured the collective imagination of the watch world. A lot of companies love this truly otherworldly, minimalist, blazing watch design,
Since the launch of the first model, the design has continued to evolve. One of the most interesting models is Astronomia Sky, which includes a sidereal time indication and star map.
The latest version of Astronomia is Astronomia Solar. The Solar differs from other Astronomia watches in many ways. The first one you might notice is that the central carrier has three arms instead of four. The time is displayed on a dial (mounted on a differential gear system that ensures 12:00 is always on top to make the time easier to read), the tourbillon is on the second carrying arm; the globe representing the earth is on the third arm . The center of the carrier is a 1.5 carat citrine with 288 facets.replica Zenith DEFY Watches
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