URWERK has never built watches for people who want discretion, and the UR-120 Blue Planet confirms that old truth with almost theatrical confidence. This final chapter in the UR-120 story feels sharper, leaner and more self-aware, because the watch does not simply celebrate space-age fantasy, but it turns that fantasy into a tightly engineered object with real wrist presence.
Blue defines the mood, but the watch never becomes soft or sentimental. Instead, it keeps the angular logic, the exposed kinetic theatre and the mechanical tension that make URWERK such a singular voice in modern watchmaking. At CHF 115,000 before tax, limited to 20 pieces, it also carries the kind of exclusivity that asks for conviction rather than casual admiration.
Not a Dial, but Choreography
The dial is really a stage, and URWERK knows how to choreograph one. Three satellite hours travel across the minute track, each one mounted on a rotating carousel that keeps the display readable as it advances through the hours. The blue surfaces create the dominant visual field, but the golden accents break that field with purpose, not decoration.
They guide the eye towards the moving elements and make the mechanics feel active even when the watch sits still. URWERK builds the display from a dense mix of materials, including beryllium copper, anodised aluminium, ARCAP, titanium and LIGA-processed parts, then finishes them with blue ALD treatment. That mix gives the module the technical depth you expect from the brand, but it also gives the watch a visual texture that changes as the light moves across the case.
Powerful Engineering
Inside, the calibre UR-20.01 does the heavy lifting and deserves the serious attention. This is a self-winding movement running at 4 Hz with 32 jewels and a 48-hour power reserve, but those raw figures only tell you part of the story. The movement exists to manage a complication that is both playful and deeply awkward to solve: the opening satellite hours that form the Vulcan salute as they pass the left side of the case. That gesture sounds like a joke until you look at the architecture behind it.
The carousel uses 175 components, the satellites counter-rotate to keep time readable, and the arms open and close under the control of a lyre-shaped spring and Maltese cross elements. URWERK also gives the movement proper visual discipline: circular graining, straight graining, sandblasting, Côtes de Genève and polished screw heads, creating in this way a layered and powerful finish. The 24K yellow-gold PVD on the springs and crosses works especially well, because it lets the eye read the movement as a machine under tension rather than as a decorative exercise.
Sandblasted Steel
The case continues the same logic of control. URWERK uses a two-part interlocking construction, with the base and upper shell fitting so cleanly that the seam almost disappears, and that matters because it turns the whole watch into a single controlled form rather than a stack of visible parts. For this edition, the maison uses sandblasted steel, and the result measures 47 mm wide, 44 mm long and 15.8 mm thick.
Those numbers sound substantial, yet the shaped lugs and the hidden spring at 6 o’clock bring the watch closer to the wrist than you would expect from such a radical profile. The domed sapphire crystal gives the display room to breathe, while the absence of visible screws keeps the upper surface calm despite all the drama below. The blue Cordura-textured calfskin strap and blue PVD buckle finish the composition neatly, so the watch never feels like a concept piece that forgot about comfort.
Farewell with a bang
What URWERK has made here is not simply a final edition, but a controlled exit. The Blue Planet keeps the line’s imagination intact, yet it adds enough restraint and visual clarity to feel like a mature statement rather than an encore built on nostalgia. It is expensive, undeniably, and the CHF 115,000 price places it squarely in collector territory, but that number makes sense once you accept how much mechanical invention URWERK has packed into the case.
For me, the strongest quality of the watch lies in its balance: enough theatre to feel unmistakably URWERK, enough structure to keep that theatre from collapsing into excess. The UR-120 Blue Planet leaves the stage with purpose, not with noise, and that is exactly why it works.
URWERK UR-120 Blue Planet Technical Specifications
UR-120 – Limited edition of 20 pieces, CHF 115’000.00 (Swiss francs /tax not included)
Functions
- Analog minutes and dragging satellite hours displayed on triple planetary gears
Movement
- Calibre UR-20.01, self-winding
- Jewels 32
- Escapement Swiss lever
- Frequency 4 Hz / 28,800 vph
- Power reserve 48 hours
- Materials: beryllium copper, anodised aluminium, ARCAP, titanium, brass, LIGA-processed blue ALD (atomic layer deposition)-treated, 24K yellow-gold PVD-treated.
- Finishing: circular graining, straight graining, sandblasting, Côtes de Genève motif, polished screw heads
Case
- Dimensions 47 mm wide, 44 mm long, 15.8 mm thick
- Materials sandblasted steel
- Crystal anti-reflective sapphire crystal
- Water resistance pressure-tested to 3 ATM / 100 ft / 30 m
Strap
- Blue Cordura-textured calfskin strap with satin-brushed steel pin buckle with blue PVD
