Wednesday, May 26, 2021

The UR-105 Tantalum Hull

It would seem that this is the end of the line for the UR-105. But if you're gonna go, you might as well go out with a bang -

Courtesy of Urwerk
This is the final curtain for Urwerk's UR-105, and it certainly puts an exclamation mark on a spectacular series.

Courtesy of Urwerk

This is truly a countdown as there are only 12 pieces for this final version.  

Here are the pertinents -

Movement
Caliber:
UR 5.03, automatic winding regulated by twin turbines

Jewels:
52

Frequency:
28,800vph / 4Hz

Power reserve:
48 hours

Materials:
Satellite hour Geneva crosses in beryllium bronze; skeletonized carrousel in aluminum; skeletonized nickel-phosphorus LIGA digital seconds; carrousel and triple mainplate in ARCAP

Finishing:
Perlage, bead blasting, frosting
Screw heads with polished bevels
Hours and minute indexes hand-painted with Super-LumiNova

Indications
Satellite hours; minutes, digital seconds
Power reserve


Case
Material:
UR-105 CT “soap bar” case in titanium and tantalum

Dimensions:
Width: 39.5 mm; length: 53mm; height: 17.8 mm

Crystal:
Sapphire crystal

Water resistance:
Pressure tested to 30 m / 3 ATM

Strap:
Vulcarbon© rubber reference “Kiska” with black DLC buckle

Price
CHF 77,000 (Swiss francs, excluding tax)

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