Earlier this year URWERK released the UR-100 Gold, the fourth UR-100 model since the launch of the original SpaceTime. It’s clearly been popular, as now, they have a fifth limited edition variant of the U-100. As to whether there will be a sixth – well that’s a question that can only be answered by them.

Meet the new UR-100V Iron in steel and titanium, with a mixture of polished, matte, sanded, and shot-peened surfaces.

To recap, the inspiration for the first UR-100 Spacetime was a Gustav Sandoz pendulum regulator clock given to Felix Baumgartner by his father. Measuring not time but the distance of the Earth’s rotation at the Equator, it was exhibited at the 1892 Paris and 1893 Chicago fairs and a (gold and bronze respectively) medallist at both.

Using the brand’s orbital satellite hours and minute ‘hands’ with an open-worked carousel, the UR-100 displays both time (hours and minutes) and space (distance travelled). However, rather than what we are all familiar with i.e. the red-arrow-tipped minute pointers on the hour satellites disappearing after 60 minutes to be followed by the next, the UR-100 minute arrow passes beneath and between the subsidiary indications, reappearing to display the distance travelled on Earth, and distance travelled by Earth. The indications are orbital hours; minutes, distance travelled on Earth’s equator in 20 minutes, distance Earth travels around the sun in 20 minutes.

The first indicator at 10 o’clock relates to the distance in kilometres and is based on the average speed of the rotation of the Earth on its axis at the equator, covering a distance of 555 km every 20 minutes. At 2 o’clock there is the indicator for the distance travelled by Earth whilst orbiting around the sun every 20 minutes.

Making all this happen for the first four UR-100s was the automatic Calibre 12.01, which beats at 28,800 VPH and has a power reserve of 48 hours. With three base plates in ARCAP, the movement’s rotor is regulated by a flat turbine system, the Windfäng (Swiss German for “air trap”) that minimises shocks to the rotor and reduces over-winding and general wear and tear.

The launch editions, each in a limitation of twenty-five pieces, were the UR-100 Iron in titanium and steel, and the UR-100 Black in titanium and black PVD treated steel. They were followed by the UR-100 Gunmetal and then this year’s Gold.

Inside the UR-100V Iron’s 41mm x 49.7mm x 14mm case is a modified version of the movement in the earlier models. The new automatic Calibre 12.02 also beats at 28,800 VPH and has a power reserve of 48 hours. It has a redesigned carousel (which carries the three satellites for the wandering hours), with the hours closer to the minutes. Both the carousel and the structure on top of the hours are made of anodised aluminium which has been sanded and shot-blasted. The satellite screws are each circular sanded and the structure on top of the hours display is in sanded and shot-blasted aluminium. The satellites themselves are on beryllium-bronze Geneva crosses; aluminium carousel; carousel and triple baseplates in ARCAP alloy.

Coming on a blue Alacantra with a titanium buckle, the new UR-100V Iron is limited to twenty-five pieces and has an RRP of CHF 48,000 (excluding taxes).


[Photo credit: URWERK]

Categories: Limited Editions, URWERK, Watch Profile, watches

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