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UR-112 BACK TO BLACK LIMITED EDITION OF 25


The UR-112 Aggregat Back to black comes in a steel and titanium body with a complex architecture. Let's start with its upper part. Its steel bonnet is grooved and openworked. It gives a glimpse of the richness of this gleaming speed machine. This cover opens vertically to give access to the secondary power-reserve and digital seconds indications. Its central titanium body is satin-brushed, sandblasted and beadblasted, thereby forming a field of functional microdots. The two blackened steel wings of the UR-112 Aggregat Back to black fit into this central body. Each zone, each space, each element has its own texture, its own finish, its own language.

The UR-112 Aggregat Back to Black belongs to the Special Project line. This is a departure from the founding concept of URWERK's wandering-hour indication, on a whole new scale, with new volumes for the UR-112 Aggregat and its UR-13.01 caliber. Martin Frei, co-founder of URWERK said: "The inspiration for the 112 line came straight from the USA. Felix and I were lucky enough to discover the impressive car collection of Mr Ralph Lauren. Amongst the rarest models was the Bugatti Atlantic. WOW! It was love at first sight. Its perfect lines, its spine running along its body, its Art Déco features.This Bugatti is a true wonder! It was the muse that inspired my first drawings of the UR-112.”

Felix Baumgartner, co-founder of URWERK and master watchmaker said: "Once again we've let our guts speak for us in making a spaceship, a UFO that is a technical challenge.This UR-112 is pure madness in terms of the mechanics and the finishes.The energy generated by the UR-112's central engine is being distributed in four directions along no less than 12 axes. It's actual mechanical lace. We will only be able to make a very limited number of them, but this is sheer, unadulterated watchmaking pleasure!”

Each creation challenges tradition, blending precision mechanics with avant-garde creativity.

Time, Reimagined

URWERK is an independent Swiss watchmaker known for producing highly limited, technically advanced timepieces that prioritise innovation and craftsmanship. Each watch is developed in-house with a strong focus on precision, materials, and mechanical originality.

Defined by its unconventional displays and bold design language, URWERK reimagines how time is read—blending engineering with artistic expression to create watches that feel more like kinetic sculptures than traditional instruments.

UR-100V LightSpeed Ceramic by URWERK. A scientific, philosophical timepiece exploring light, motion, and astronomy on the wrist.

“We began essentially as a core group of artists who wanted to interpret time differently”