First unveiled on 15 October 2026, the URWERK UR-300 Time Quantum rethinks the Swiss independent watchmaker's signature wandering-hours display. Instead of hour satellites circling on a conventional carousel, two perpendicular modules form a T-shaped mechanism that rapidly reorganises itself as the hour changes. This is a mechanical reinterpretation of time display, not a watch powered by quantum physics.

What makes the UR-300 Time Quantum different?

Wandering hours use a moving numeral to indicate the hour while it travels along a minute track. URWERK has made this concept central to its identity, but the UR-300 changes the architecture. Two linear hour modules form a T-frame, carrying four three-sided prisms. As the active hour progresses across a 108-degree minute arc, the display remains readable; at the next hour, the frame jumps forward and the indication reconfigures. This replaces the retrograde return associated with earlier URWERK designs.

How the new hour display works

The four three-sided prisms accommodate the twelve hours. The transition between hours involves coordinated motion across the display rather than a simple return of a pointer to zero. Three running-seconds indicators each cover 20 seconds across a 120-degree arc. URWERK describes the inspiration in terms of atomic interactions and changing equilibrium; the analogy is conceptual, while the result is conventional precision engineering taken in an unconventional direction.

URWERK UR-300 specifications

• Case: grade 5 titanium; 45.2 × 58.8 × 18.25 mm
• Versions: UR-300 Titanium and dark-coated UR-300 AlTiN
• Movement: automatic UR-30.01 with patented Dual Flow Turbines winding regulation
• Frequency: 4 Hz / 28,800 vibrations per hour
• Jewels: 40
• Power reserve: 43 hours, according to the manufacturer's current specifications
• Displays: wandering hours, minutes and running seconds
• Crystal: anti-reflective sapphire
• Water resistance: 3 ATM / 30 m
• Crown: two-position screw-down crown

Two interpretations of the same idea

The satin-finished and microblasted titanium version exposes the architecture through a lighter finish. The darker AlTiN-named version gives the same dramatic geometry a more technical appearance. Both share the core display and dimensions. Independent coverage reports a limited run of 25 watches per version, 50 in total; buyers should confirm current allocation and pricing directly with URWERK.

Why this launch matters

The UR-300 is significant because it changes the underlying choreography of a complication strongly associated with the brand, rather than merely refreshing colours or case materials. It is also a reminder that independent watchmaking can innovate in the way time is communicated, not just in how precisely a movement keeps it.

EP Watches perspective

At EP – Eduardo Pimenta Watches, we follow developments like the UR-300 because they show how much creative space remains in mechanical watchmaking. Our independent editorial coverage does not imply any commercial affiliation with URWERK.

Explore EP Watches: independent Swiss watchmaking

Mechanical innovation takes many forms. At EP – Eduardo Pimenta Watches, we hand-assemble our watches in Switzerland, with attention to design, quality and personalisation. Discover our watch collection and the approach behind our independent brand. EP Watches has no commercial affiliation with URWERK.

Sources and further reading

• URWERK — UR-300 Time Quantum, official specifications
• Hodinkee — Introducing the UR-300 (15 October 2026)
• SJX Watches — UR-300 analysis (15 October 2026)

Editorial note: Specifications follow the manufacturer's current product page; some independent launch reports differ on movement suffix and power reserve. Product photography © URWERK, credited beside each image; reproduced for editorial illustration.