Historical pieces

UR-210

“The UR-210 represents a serious accomplishment for URWERK. This timepiece opens a new chapter in the evolution of our complications. It doesn’t just measure a universal value in a completely original way, but starts a real dialogue between the watch and its wearer.”

Felix Baumgartner

About

The UR-210

While the UR-210 is characterized by its original URWERK time display, of equal note – and with reason – is the UR-210's personalized communication with its owner. Never has a timepiece displayed such feedback and attachment to its owner.

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Insights

Revolving satellite complication with flyback minute hand

The UR-210’s satellite complication with retrograde minute features a world-first indication – a winding efficiency pointer that indicates winding efficiency over the last two hours.

Flyback minute hand

The UR-210 features a high-tech, oversized, three-dimensional retrograde minute hand. It encloses the hour satellite and indicates the time as it transverses the 0-to-60-minute scale. Then in less than 0.1 of a second the hand flies back to dock with the next hour satellite.

Retrograde system

This lightning fast retrograde system is based on three key elements: a central axis set in ruby bearings ; a cylindrical marine chronometer type spring running vertically around the axis; a double coaxial star-shaped cam regulating the retrograde mechanism.

World-first complication: Winding efficiency indicator

This genuine indication calculates the difference between energy consumed and energy created over the last two hours. If the indicator points towards the green zone, it is a sign that the mainspring is being replenished.

Power reserve indicator

39h power reserve.

Specifications

Swiss timepiece, Satellite watch, UR-210

Case

Dimensions

43.8mm x 53.6mm x 17.8mm

Glasses

Sapphire crystal with anti-reflective coating

Water resistance

Pressure tested to 3 ATM
Movement

Calibre

UR-7.10 self-winding

Jewels

51

Escapement

Swiss lever

Balance

Monometallic

Frequency

28,800v/h, 4Hz

Balance spring

Flat

Power source

Single mainspring barrel

Power reserve

39 hours

Winding system

Unidirectional winding rotor coupled to turbines

Materials

Plate in ARCAP P40; 3D minute hand in aluminum with brass counterweight; central cylindrical spiral in spring-steel; hour satellites in aluminum; central carrousel and screws in Titanium Grade 5.

Surface finishes

Circular graining, sandblasted, circular and straight satin-finished plate; satin-finished and diamond-polished satellites; beveled and polished screw heads
Indications

Indications

Patented revolving satellite complication with wandering hour and three-dimensional retrograde minute hand; power reserve indicator; winding efficiency indicator (patent pending) Super-LumiNova® on markers
Controls

Controls

Two-position winding crown On the back: Winding efficiency selector