JACOB & CO

Opera

April 06, 2017
JACOB & CO - Opera

This timepiece is the world premiere combination of two traditional Swiss crafts: a mechanical music box basting two cylinders and combs, and an exclusive Jacob & Co. JCFM02 manual-winding caliber. Jacob & Co. once again demonstrates its ability to surprise as it launches the new Opera Musical Watch. In this new complication, the two cylinders and combs are mounted on the movement and rotate around the dial each time they play their melody. This works together with a triple-axis tourbillon and the subsidiary hour and minute dial.

Swiss Music Box Heritage

The making of music boxes has been a traditional Swiss craft for hundreds of years. In the Opera Musical Watch, Jacob & Co. has combined this artisanal work with high watchmaking for the very first time, incorporating two cylinders and combs. The watch is able to play a 120-note melody never-before-heard in a musical watch. Using a sophisticated one-piece sapphire crystal that encircles the whole timepiece, the mechanics of the Opera are put on display for all to see and allows the movement to deliver the purest sound.

Unique complication

A central flywheel drives the two cylinders, which is a real challenge for the movement due to the weight of the cylinders. A pusher located at two o’clock activates the rotation of the entire movement and simultaneously plays the 120-note melody. Each note is played as the tiny pins on the cylinder make contact with the individual teeth of the comb. As the cylinders turn to play the melody the entire assembly on which they are fixed, including the triple axis tourbillon and the hour and minute dial, rotates 120 degrees around the dial. The tourbillon rotates around its inner cage once in 40 seconds while its intermediates cage rotates in three minutes and its outer cage in eight minutes. Finally, in order to display the time with 12 o’clock always in its correct position, a patented differential gear system is used; both the dial and the hands have to turn counter-clockwise.

The manually wound caliber JCFM02 has been developed specifically for this complication, using titanium components for excellent sound propagation. The movement, which comprises 650 components, fits into a diameter of just 43mm. A pusher based at two o’clock on the middle of the case triggers the melody and thus the rotation of the movement. Regardless of whether or not the melody is playing, the triple axis tourbillon dances its round-the-clock mechanical ballet.

The Jacob & Co. Opera Musical Watch comes in two different versions: one 18-piece limited edition that is minimalist in its presentation with black and gold high end finishes showing the mechanical workings. The other is a unique version, which allows decorations on the cylinders. These decorations depict a romantic gala night with an orchestra.

 

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