Wednesday, February 3, 2016


Independent Swiss watch brand URWERK presents its UR-105 T-Rex, nicknamed after its atypical case that is crisscrossed by a raised, concentrically ribbed pattern evoking the scales of certain reptiles – a textured, bark-like coating that is soft to the touch. The colors of this breastplate will subtly evolve over the years. 

Technically, the UR-105 T-Rex is a satellite hours watch. Four satellites, each bearing three hour numerals, successively parade past the minute rail. This original and intuitive reading of time is facilitated by a cover made of PEEK (polyetheretherketone) that conceals the satellites not relevant to the time read-off. In keeping with the finest watchmaking traditions, this cover is adorned with a superb guilloché pattern.
This 105 model also embodies the year of research invested into URWERK’s years wandering hour satellites. The ingenuity of the mechanism lies in the invisible carousel fitted beneath the satellite structure, and responsible for the silent and smooth operation of the satellite hours.
The back shows the turbines of the UR-105 T-Rex which regulate the winding of the watch. They are adjusted by means of a lever. In the “FULL” position, even the slightest movement is leveraged to help wind up the mainspring. The UR-105 T-Rex is thus in automatic winding mode and its winding is optimized by the effect of its turbines. In “STOP” mode, the winding system is disabled and the UR-105 can thus be hand-wound if required via the crown. A third intermediate “RED” (for REDUCED) moderates the winding so as to avoid excessive tension on the mainspring.
Technical details
Model: UR-105 “ T-Rex” – Limited edition - 22 pieces

Caliber: 5.02 UR automatic winding regulated by a double turbine
Jewels: 52
Frequency: 28,800v/h - 4Hz
Power reserve: 48 hours
Satellite hours driven by Geneva crosses in beryllium bronze; Orbital structure made of PEEK (polyetheretherketone)
Carousel and triple mainplates in ARCAP
Surface finishes
Circular-graining, bead-blasting, satin-finishing
Beveled screw heads

Satellite hours; minutes – hour and minute markers hand-painted with SuperLuminova

Materials: UR-105 T-Rex –case in hand-patinated bronze and caseback in black PVD titanium
Dimensions - Width: 39.50mm; length: 53mm; thickness: 16.80 mm
Crystal: Sapphire crystal
Water resistance: Pressure tested to 30m / 3ATM

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