Jacob & Co. Astronomia Tourbillon watch 750.100.30.AB.SD.1N

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Jacob & Co. Astronomia Tourbillon watch 750.100.30.AB.SD.1N

Mesajde jigeoy » 12 Feb 2020, 10:38

Greubel Forsey-GMT Quadruple Tourbillon

Robert Greubel and Stephen Forsey combined their second basic invention, the quadruple tourbillon watch, which was first introduced in 2005 and uses its The giant rotating globe makes a jaw-dropping interpretation of GMT. Greubel Forsey GMT Quadruple Tourbillon。Greubel Forsey GMT Platinum replica watch

Showing three time zones and universal time functions, it is famous for its three-dimensional structure and asymmetric case (46.50 mm x 17.45 mm).

The four tourbillons are held in light black polished bridges and decorated with gold reliefs, and are constructed in pairs in a unique pair of compact cage systems. Each of these two systems is modeled as a Double Tourbillon 30 ° (Double Tourbillon). The first cage rotates and tilts 30 ° in 1 minute, and is installed in the second vertical cage in 4 minutes Complete the rotation within.

The combination of the inclination of the internal holder and the different rotation speeds of the two holders focuses on eliminating the chronological changes caused by the gravity of the Online replica watches in all conventional positions, especially in stable positions.

Spherical differentiation is used to average the timing of two autonomous oscillators to improve timing performance. The system has applied for two patents.

By integrating the quadruple tourbillon with the GMT movement, Greubel Forsey not only completed a major technical feat, but also created a new 3 Hz (21,600 vph) manually wound movement, including 805 parts, of which Includes three fast rotating barrels.

The dials are all built on different levels, the highest point being the main hour / minute dial between 1 and 2 o'clock, and equipped with a 72-hour chronograph power reserve display.

The small coaxial second hand and the second time zone display represent the next level at 4 o'clock, which can be adjusted in one-hour increments by the pusher.https://www.chrono36.com

The earth in motion can be admired between 8 and 9 o'clock, with a 24-hour fixed ring fixed around the equator and displaying local time in all longitudes. The side window of the asymmetric part of the box can see the equator and the southern hemisphere.

When you can see the world through the bottom cover, the day / night time zone with a fixed 24-hour scale and the three-letter abbreviation disk with 24 cities represent each time zone.

The disk can also distinguish between time zones that implement "summer time" (daylight saving time) in light colors; those that do not (shown on a dark background). The caseback also provides an opportunity to admire the quadruple tourbillon and the frosted bridge, which is set with jewels of gold stones.Breitling Cockpit B50 Orbiter Limited Edition VB50106A1O1S1
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