Wednesday, October 19, 2016

URWERK Raging Gold UR-105 Limited Edition

The UR-105 mechanical wristwatch from URWERK is now available in a stunning gold edition. In this new model, a shield of red gold carved in an intriguing pattern serves as the bezel on a titanium case. The pattern derives from the hobnail motif “Clou de Paris" that was popular in high-class watches.
Technically, the UR-105 works on the fundamental concept of Urwerk’s watchmaking, the wandering hour principle, in which each hour travels in turn across a 60-minute arc. This ancient and more intuitive way of telling the time is made easier by a mask made of PEEK, a semi-crystalline polymer, which hides the hours that have completed their 60-minute patrol. The mask is also superbly decorated in proper traditional style.
This 105 version incorporates the latest developments in Urwerk’s constant efforts to add value to the wandering hour principle. The most intricate part of the mechanism, the carousel, which carries the hours in groups of three on four satellite discs, is hidden. It silently and unerringly brings the right hour to the right place at the right time.
On the back of the UR-105, turbines control the self-winding system. Switch the lever to FULL and the winding rotor reacts to your slightest movement to wind the mainspring. In the RED (reduced) position, the rotor’s movements are dampened to avoid excessive tension in the mainspring. In the STOP position the self-winding mechanism is disengaged and the watch can be wound manually with the crown.

Technical details
Model: UR-105 “Raging Gold”– limited edition of 22 watches.

Movement
Calibre: UR 5.02, self-winding mechanism regulated by a double turbine
Jewels: 52
Frequency: 28,800v/h - 4Hz
Power reserve: 48 hours

Materials
Satellite hours turned by Geneva crosses in beryllium bronze
Orbiting structure in PEEK (PolyEtherEtherKetone)
Carousel and base-plates in ARCAP

Finishes
Circular and straight graining, sanding
Chamfered screw heads


Indications
Wandering hours, minutes
Hour numerals and minutes track hand-painted in SuperLuminova

Case
UR-105 case 4N gold and the back in titanium with black PVD coating
Dimensions: Width 39.50mm; length: 53mm; height: 16.8 mm
Glass:Sapphire crystal
Water resistance: Pressure tested to 30m/3ATM

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