Blu: Terzett



blu MT3
This truly majestic timepiece is an impressive demonstration of three-dimensional, almost architectural horology.

Invented by Bernhard Lederer and entirely constructed and manufactured in the BLU workshops, the innovative planetary tourbillion incorporates itself perfectly into the flagship blu Planet model from the BLU collection.

blu MT3 rotates on three separate axes. Two of the three axes are ingeniously mounted in a linear arrangement, maintaining the system on the same plane.

Fitted with three normal revolution speeds, blu MT3 is a unique Tourbillon indicating time: hours, minutes and seconds. This is made possible thanks to the flying 12-hour tourbillon containing the flying one-hour tourbillon (formed into the shape of a minutes hand) along with its concentrically embedded half-flying one-minute tourbillon.

The three tourbillons not only have time display functions but are also perfectly synchronized to their correct optic speed.

A clever differential guarantees that the minute hand embracing the balance is always correctly positioned in relation to the longitudinal axis; the 12 is always up.

The mechanism appears to float in a transparent case within a 12-pillared rotunda, resembling the colonnades of the Greek Parthenon. The visible columns have an hour index function. The innovative case design slants down from 12 o’clock to 6 o’clock, requiring exceptional manufacturing precision of the sapphire crystal. Although everything is visible, the winding stem connecting the crown to the movement has mysteriously vanished.

The superb finish of the tourbillon 12-hour main plate was carefully executed on the CNC machine. The guilloche surface called for highly skilled craftsmanship and ultimate precision tools as the slightest imperfection would have immediately become visible.

To obtain a logical and organic rotational speed to enable the human eye to register its movement, the escapement in the semi-flying tourbillion beats at a rate of 14,400 vibrations per hour or 2 Hertz. The rather huge balance wheel (diameter: 12.7mm) swings considerably slower than most contemporary movements allowing at every turning point, a glimpse of the delicately shaped mechanical marvel. “Only servants rush,” muses Bernhard Lederer, “a king can take his time.”

The extra energy needed to move such a complex mechanism with extreme precision is delivered by twin going barrels hidden under the base plate: a space which in conventional movements is occupied by the gear cascades. In the case of the blu Majesty Tourbillon MT3, there is no need for separate gears, as both the going train and the dial train are incorporated in the ballet of tourbillons displayed on the watch face.

Limited to 50 individually numbered pieces, each tourbillon is hand-finished in the pride of craftsmanship of the Master of Watchmaking, Bernhard Lederer, and his team. Unique versions can be made on request.

  • Technical Details:
    Movement: Mechanical with manual winding; diameter 36 mm, height (including minute hand) 11.8 mm; 26 jewels; 14,400 v.p.h.; balance wheel diameter 12.7 mm; two flying and one half-flying tourbillon oscillation system; twin serially operating spring barrels; power reserve approx. 72 hours; all components finished by hand
  • Functions: hours (on 12-hour tourbillon cage), minutes (on one-hour tourbillon cage), seconds (on one-minute tourbillon)
  • Case: white gold or red gold, diameter 43 mm; height 15 mm; case band made of sapphire crystal; bezel screwed to case back via twelve columns; anti-reflective sapphire crystal; cylindrical strap lugs.
  • Limited edition: 50 pieces in gold and up to 20 pieces in platinum
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