Urwerk Unveils The UR-112 Agreggat

New Watch! • 27 Oct 2021

Urwerk Unveils The UR-112 Agreggat


The UR-112 Aggregat is the latest addition to Urwerk’s Special Project collection, a laboratory where horological freedom and follies is encouraged. Urwerk co-founders Felix Baumgartner, master watchmaker, and Martin Frei, artistic director and designer, started this new adventure from a blank page. And a sketchbook overflowing with ideas. The UR-112 Aggregat was inspired by a dream of a new mechanical challenge. Technicality has the centre stage. The beauty of the UR-112 lies in the complexity of its gears and near-manic assembly precision.

UR-112 Agreggat
UR-112 Agreggat

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Fully Digital Time Displays

Agreggat is a compendium of 25.5 grams of distilled technique, offering fully digital time displays, from hours down to seconds. A double or nothing challenge for the watchmaker who is betting with microns.Starting with the hour and the minutes, each are displayed on triangular prisms operating under transparent cylinders, which appear as levitating mechanisms to be admired through the crystal.

On the left, the digital hour display. Each of the 12 numerals is engraved then filled with Super-LumiNova. The transcription of time takes the form of a sign display switching sharply to a chronometric rhythm. On the right, the same system displays the minutes. Minutes free from the strain of the singular and instead jump in 5-minute increments.

UR-112 Agreggat
UR-112 Agreggat

Watch our video portrait on Felix Baumgartner & Martin Frei, titled ‘Urwerk – The 4th Dimension’

Operation of the Jumping Hours

The operation of the jumping hours display is driven by the advance of the minutes. At the 60th minute, the force accumulated during those last 3600 seconds is released to change the time to the next hour.

But the primary source of all this power is rooted in the basic movement opposite this Dantesque construction. A long, thin rod connects the body and head of the UR-112. This is the cardan shaft, a central part of vital importance to this mechanism. A complex set of cogs, a succession of gears, allows this axis to transmit all the energy required. And this despite a 90 ° turnaround. This transmission shaft with double gearing – one at each end – is perpendicular to the horizontal time indication.

UR-112 Agreggat
UR-112 Agreggat

“We nicknamed this watch the Agreggat because the UR-112 brings different elements together. From a single source of energy, we power all displays and mechanisms of this UR-112. This force is distributed sparingly, some even “recycled” so that from the digital second at the top of the dial to the dragging minutes and the jumping hours at the opposite extreme, each display receives precisely its required dose of energy with none wasted,” explains Felix Baumgartner.

UR-112 Agreggat
UR-112 Agreggat

Read: How a Clock Designed for a Pope Inspired Urwerk

Hunter Style Case

The movement of the UR-112 nestles inside a hunter case with a hinged titanium protective cover. Pressing the pushers on either side of the case unlocks the cover and it springs up, revealing an elaborate display of digital seconds. Etched on tiny silicon wafer disks, tiny numerals parade under a magnifying lens beside the only analogue display of the UR-112, a 48-hour power-reserve indicator. This first edition UR-112 Agreggat is limited to 25 pieces with a matte finish. It has sober colours, an anthracite body with black sides complemented by a cover in the same colour. Beautiful and elegant.

UR-112 Agreggat
UR-112 Agreggat

“The sources of inspiration for this UR-112 are many and diffuse. The grille of the Bugatti Atlantique is the most obvious. An exceptional automobile whose contrasting spine emphasises absolute symmetry. Some Middle Eastern influences are also vivid in my mind. The memories, the smells, the experiences during my travels nourish my imagination and are found in all my creations. Found by subtle touch.” says Martin Frei.

Discover Urwerk’s other new 2021 launches, the UR-220 SL Asimov and the UR-100 Electrum

Tags: independent watchmaking urwerk

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