Following the trail of ancient astronomers and ingenious inventors from the past, Urwerk presents the new measuring instrument The UR-1001 Zeit Device as a watch designed to start its own epoch-defining time.
In the words of the brand, a true Zeit Device should measure time in not only days, months and years but more universally, more righteously, by taking in account the whole universe measured in billions of years. The UR-1001 is a true Zeit Device is therefore a completely new concept, a piece that marks the passage of time in seconds, minutes, hours, day/night, date, month, years, 100 years and all of the way to an immense 1,000 years!
The unusual piece is offered in a limited edition of 8 pieces and made in AlTiN (Aluminium Titanium Nitrid) treated steel with titanium elements. Each of the complicated details you see on the pictures is manufactured in-house by URWERK. In case you didn't figure it out the pictures - the UR 1001 is a pocket watch.

The Hour Satellite Complication comprises a rotating central carrousel supporting three hour satellites.
The Retrograde Minute Hand is fixed to a sprung ring around the circumference of the satellite complication, and pushed along a guide rail by the hour satellite. When the minute hand completes its journey from zero to 60, it jumps back to the start of the scale.
Day Night indicator is positioned at the middle left, while the Power Reserve Indicator rests on the upper-right corner and shows the amount of power in the mainspring up to 39 hours.
The Revolving Satellite Calendar is an original calendar complication based on the same principle as the hour satellite complication. Here, moths and date are replacing hours and retrograde minutes, while the date advances automatically to the 1st of the following month.

From the case-back, the watch reveals three distinct long-term indications: “Oil Change”, 100-year and 1000-year. “Oil Change” indicator alerts the user when a service is due after three years. The 100-year indicator registers the total running time of the movement, while the 1000-year indicator marks the progress into journey to a new millennium.
UR-1001 - Technical Specifications
Movement
Calibre: UR-10.01
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
Time mechanism: Double star retrograde with aluminium ring and platinum ounterweight
Calendar mechanism: 93 tooth wheel, 3 Maltese crosses
Retrograde minutes: Anti-shock safety device
Retrograde minute spring: Spiral of 6.5 turns, dimensions 174.4mm x 0.1mm x 0.3mm with mobile piton (adjustable pin). Long length ensures flat torque curve
Plates and bridges: Baseplate in ARCAP
Screws: Titanium non-oxidising
Surface finishes: Circular-grained, Côtes de Genève and DLC treated mainplate and baseplate, chamfered and polished screw heads
Case
The AlTiN UR-1001 Zeit Device is a limited edition of 8 pieces in AlTiN treated steel with titanium elements.
Material: AlTiN steel with titanium elements
Chain: Hand-made, heat-blackened steel links featuring bespoke URWERK clasp with carbineer closure
Dimensions: 106mm x 62mm x 23mm
Glasses: Sapphire crystal with anti-reflective coating
Water resistance: Pressure-tested to 3ATM
Surface finishes: Micro-sandblasted
Author: Marina Milojević
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