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Corum - Golden Bridge Tourbillon

Corum Golden Bridge Tourbillon

30 pieces paying tribute.

Press release


In 2010, Corum also celebrates the thirtieth anniversary of its extraordinary Golden Bridge. During its thirty year history, its immediately recognizable esthetical codes and fascinating baguette movement have made the Golden Bridge an emblem of Corum, and an icon of high horology.

To celebrate this anniversary in style, the watchmakers of the brand have worked together for two years to create the caliber CO213, a masterwork in terms of micromechanics, housing 182 components on a tiny baguette measuring 33mm by 3mm. Combining traditional watchmaking and high-end materials they write a new chapter in an already rich watchmaking history. Indeed, CORUM has created the first baguette movement with a tourbillon escapement, housed in the world's smallest cage – 8.5 mm in diameter – with an escapement in Silicium. Beating at 19'200 vibrations per hour, with a power reserve of 40 hours despite a miniaturized barrel, which is almost hidden by the movement, the new caliber CO213 has also been designed in line with the codes of high horology. Its plate and bridges are crafted in 18kt gold and hand-engraved with patterns replicating the shape of tree ferns from the Jura region, the cradle of watchmaking and home to CORUM. No detail has been left to chance; even the upper bridge of the tourbillon cage reproduces the characteristic shape of the brand's emblem, the key crafted in titanium.

This movement is housed in the legendary Golden Bridge case. The dials are set behind the mechanism and are worked in various materials such as meteorite, enamel, semi-precious stones or mother-of-pearl with different finishes. On the bottom of the case the opening also takes the shape of a lock, echoing the brand's mantra: "Unlock and Conquer"!

This expression of high horology is water-resistant to 30 meters. The Golden Bridge Tourbillon will be produced in 30 Unique Pieces only; 15 in red gold, 10 in white gold and 5 in Platinum.



213.100.55/0001 GR04

30 Unique Pieces

Red Gold Model 15 pieces
White Gold Model 10 pieces
Platinum Model 5 pieces



Mechanical baguette movement, hand-wound by a stem at 6 o'clock

Tourbillon with Silicium escapement

Slipping spring mechanism

Variable inertia balance adjustable by inertia-block

Frequency: 2.66Hz, 19'200 vibrations/hour
22 Jewels

18kt red gold hand-engraved plates and bridge

Power reserve of 40 hours


Hours, Minutes, Tourbillon


34 x 51mm

Tonneau-shaped case made of 18kt red gold 5N, 18kt white gold, or Platinum
Polished and satin-finished surfaces

Fluted crown at 6 o'clock decorated with CORUM key

Sapphire crystal open back cover under the movement

Caseback engraved with CORUM logo and Unique Piece


Meteorite, enamel, semi-precious stones, mother-of-pearl

Different finishing of the dial

Applique hour indexes or without index

Black, red gold 5N or rhodium plated skeleton hour and minute baton hands

Sapphire crystal


Black crocodile leather strap, hand-stitched


Red gold or white gold tongue buckle


3atm (30 meters / 99 feet)


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The brand

Corum takes aesthetic daring to the heights of technical perfection. Through a number of collections, drawing on the fundamentals of traditional watchmaking, the manufacture continues to pursue its path free from the influence of passing trends.

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