Hands

The Jacob và Co. Astronomia Solar is the latest version of the Astronomia Tourbillon, which was one of the most talked-about watches of Baselworld when it debuted there in 2014. The Wall Street Journal"s Michael Clerizo called it one of his three favorites of the show, và the fact that a company that had been primarily known for high jewelry timepieces had created something so mechanically complex, as well as visually spectacular, got a lot of heads turning & tongues wagging. Of course, this was not the first high mechanical complication from Jacob & Co. But it was certainly the most stunning from a kiến thiết standpoint, và there was something about it that really captured the watch world"s collective imagination. This sort of really over-the-top, maximalist, go-big-or-go-home watch design was something a great many companies, both new and established, have tried since the Ulysse Nardin Freak appeared as the first real member of the high mech, big-and-bold genre back in 2000, but it"s a hard thing to lớn get right as it requires a sense for the essence of excess that very few watch companies have.

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Since the first mã sản phẩm was introduced, the design has continued khổng lồ evolve. One of the most interesting models is the Astronomia Sky, which includes a sidereal time indication & star chart (with which we went hands-on earlier this year) and we also had the pleasure of having Jacob và Co. Founder Jacob Arabo, và watchmaker Luca Soprano, of watch kiến thiết house Studio 7h38 (Jacob & Co."s partner in constructing the movement và watch) in the office khổng lồ talk about the Astronomia Sky on video.

The latest version of the Astronomia is the Astronomia Solar. The Solar is different from other Astronomia watches in a number of respects. The first that you"ll probably notice is that the central carrier has three arms, not four. The time is visible on one dial (which is mounted on a differential gear system that ensures that 12:00 is always at the top, in order to lớn make the time easier khổng lồ read) & the tourbillon is on a second carrier arm; the globe representing the Earth is on the third arm. At the center of carrier is a 1.5 carat citrine, with 288 facets.

The Jacob và Co. Astronomia Solar.

The central spherical citrine represents the Sun.

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As with the other Astronomia watches, the Astronomia Solar is not an astronomical complication in the ordinary sense of the term – that is, it"s not meant lớn mirror in miniature the movements of heavenly bodies accurately. The miniature Earth, for instance, does not rotate on its axis once every 24 hours. Instead Jacob & Co. Has opted for creating a more visually dynamic experience that"s really about capturing the irrational exhilaration of looking at the night sky, rather than the more, you might say, austere và rational delights of the Music of the Spheres. Of course the Astronomia Sky has an accurate sidereal time indication, but that degree of fidelity to actual celestial dynamics has been the exception rather than the rule in Astronomia watches.

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The Earth rotates quickly enough for the rotation to lớn be visible: once every 60 seconds & the carrier system now rotates once every 10 minutes, which is twice as fast as the carrier systems of previous models (which take đôi mươi minutes khổng lồ make a single revolution). The globe of the Astronomia Sky does rotate on a vertical axis once every 24 hours, which is appropriate for the most astronomically accurate Astronomia watch. As in other models, the Earth is enameled titanium and has been engraved by hand.

The two axis flying tourbillon rotates on its central axis once per minute; it"s technically a two-axis tourbillon thanks to the ten minute rotation of the carrier arms.

The base (the background underlying the carrier system) is aventurine và carries stylized representations of all the planets of the Solar System (only eight; Jacob & Co. Adheres lớn the controversial decision of the International Astronomical Union to demote the former Ninth Planet, so sorry, Pluto fans).

Winding & setting for the new movement is via two keys on the caseback, with recessed hinged tabs. The flanks of the case are mix with sapphire panels, as in earlier Astronomia models.

This is, not insignificantly, the smallest Astronomia; the original Astronomia is 50mm in diameter, with a 25mm-high crystal. The Astronomia Sky, by contrast, is a relatively svelte 44.5mm x 21mm. Obviously the point of these watches is not to lớn be unobtrusive daily companions, but spectacular showpieces, however many folks will probably find the 44.5mm version of the Astronomia wearable in a way that the 50mm version is not.

The movement, caliber JCAM19, is 16.50mm x 34.55mm, inclusive of the height of the carrier arms và their components (excluding the garnet knocks that down khổng lồ 11.70mm) & frequency is 28,800 vph, which is a higher frequency than any prior Astronomia model. Thanks khổng lồ the additional complexity of the design relative lớn other Astronomia watches (and especially the contra-rotating aventurine backdrop) the parts count is higher than for any other Astronomia watch: 447 components, excluding gemstones.

As with all Jacob và Co. High complications, there are any number of possible variations on the basic kiến thiết theme. This is as over-the-top as modern watchmaking gets, but behind the razzle-dazzle is quite a lot of hardcore serious horological engineering – as is the case with all the Astronomia watches, getting reliable performance & reasonable chronometry out of a movement with so many smartphone elements rotating on a central axis is a pretty neat trick. Price is $280,000 as shown và if you"d lượt thích to see the other Jacob và Co. High mechanical complications, you can check them out right here.

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