UR-105 TTH

Reference# UR-105 TTH
NEW
Manufacturer's retail price: $88,000
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  • Details
  • Description
  • Limited Edition: 12 Pieces
  • Case: UR-105 CT “soap bar” case in titanium and tantalum
  • Size: 39.5 mm x 53 mm
  • Movement: UR 5.03, automatic winding regulated by twin turbines
  • Power Reserve: 48 hr
  • Water Resistance: 30 m
  • Strap/Bracelet: Vulcarbon© rubber reference “Kiska” with black DLC buckle

Presenting the UR-105 TTH.

The new Tantalum Hull is the last edition of the UR-105 CT and ends the 105 collection in style. “Tantalum is a very special metal. Its name comes from Tantalus, one of Greek mythology’s bad boys. Tantalum is precious, rare, and extremely painful to machine and finish.” 

The UR-105 TTH – “TTH” stands for Tantalum Hull – is a beautiful object, substantial and pleasing to hold. Its distinctive octagonal form features deep streaks along its entire length. It is angular, geometric, and symmetrical with strong influence from the Art Deco style.  The UR-105 TTH comes with a protective cover, a breastplate that protects the mechanism. Tantalum is a perfect protective shield against corrosion. Hence its name Tantalum Hull.

Activating the sliding “tongue” of the UR-105 TTH opens the hull to reveal its mechanics, featuring a satellite time indication built on a new skeleton carousel. The latter supports four hour satellites, each displaying three hour numerals that rotate in turn along the minute track, providing both analog and digital time displays.

A power reserve indication and digital seconds complete the information on the dial. The digital seconds displaying the seconds in ten-second increments is particularly remarkable. To make it as light and as ephemeral as possible, the seconds disk was made using the LIGA photolithography process and the marker is open worked. The total weight of the display is less than 0.10 grams.


On the back, two turbines regulate the movement’s automatic winding system, which can be easily adjusted using a small lever according to how active the wearer is. In the “FULL” position, the slightest movement of the wrist is enough to wind the mainspring. In “STOP” mode, the automatic winding system is deactivated and the UR-105 is manually wound. A third intermediate position, “RED” (for REDUCED), moderates winding to minimize excessive tension and wear.