UR-110 TTH “TANTALUM HULL” LIMITED EDITION OF 55
Heavier. Darker. Stronger.
The UR-110 has always pushed the boundaries of watchmaking design, but in this rare TTH edition—short for Tantalum Hull—it takes on an entirely new character. Inspired by the armoured shell of a Klingon Bird of Prey, this model is fortified with one of the most resilient metals on Earth.
Tantalum is rarely used in watchmaking. It’s dense, incredibly tough to machine, and has a distinct bluish-grey tone with a hint of violet. For URWERK, these were reasons to embrace it. The result: a deeper, more commanding version of the UR-110. The bezel has been thickened to 4.10mm, nearly double that of earlier models, while even the sapphire crystal has been upgraded. Six visible screws secure the bezel to a titanium base, giving the watch a presence that is instantly apparent.
A Satellite Display Like No Other
Time is displayed through URWERK’s award-winning satellite complication. Three-hour satellites orbit the dial on a vertical trajectory, tracking minutes as they descend along a 60-minute scale on the right-hand side. Each satellite stays aligned thanks to a planetary gear system that keeps them in perfect formation.
No ordinary flat time display—it’s a mechanical performance across three layers:
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A central carousel provides balance and structural support
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Planetary gearing controls the motion of the satellites
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Each module counter-rotates to offset the carousel’s movement, ensuring continuous, fluid timekeeping
The Control Board on the dial includes a day/night indicator, running seconds, and URWERK’s signature oil-change alert system, a service indicator for long-term reliability.
Flip the watch over to reveal the twin turbines that manage the winding rotor, regulating the movement to avoid excess wear from over-winding.
A Collector’s Find
Released in 2012 and long discontinued, the UR-110 series remains one of URWERK’s most celebrated lines, with the TTH model considered among its most coveted. Winner of the 2011 GPHG Design Watch Prize, the UR-110 helped redefine how time could be experienced.
This particular example, one of fifty-five created, is offered in our UR-LEGENDS collection in like-new condition.
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Original URWERK presentation box
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Brand new Baltimora leather and textile strap
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Three-year international URWERK Warranty
*Please note: Strap-in photographs may vary due to export restrictions.*
Why buy from us?
Any URWERK bought from our official Pre-Owned collection is covered with our Pre-Owned two-year international warranty, for your peace of mind.
Our Certified Pre-Owned watches are refurbished, serviced and tested by our own watchmakers. Ensuring the URWERK quality is upheld. Enabling you to purchase a pre-loved URWERK in exceptional condition as close to as good as new as you fill find.
Please be aware that due to the protection of endangered species our watches cannot be shipped on Alligator leather straps. As this can result in major delays in you receiving your new purchase.
Leather straps can be purchased separately.
Your new timepiece will be delivered on our Baltimora technical fabric strap, backed with calf-leahter for comfort.
We have you covered; as a thank you for choosing URWERK, we ship worldwide free of charge. Fully tracked and traced.
Nice and Simple. But remember we DO NOT cover local import taxes and duties outside of Switzerland. These are the responsibility of the client. So please before making a purchase check with your local authorities regarding any possible fees.
Delivery Options
Watches will be shipped using the best courier service based on your location. Please note, deliveries are not made on Bank Holidays or Sundays. Please allow additional time, if ordering on or near public holidays or weekends. Delivery will commence once payment is secured depending on payment type.
Important Information
Please check that the shipping address is correct as we are unable to redirect orders once they're in transit, and we are unable to deliver to PO box numbers.
Before we can despatch your purchase, we may need to confirm your details with your card issuer. Please ensure that your billing address matches that kept on record with your card issuer. We will do our best to minimise any delay. Occasionally we may need to contact you to confirm additional security details before shipping your order.
Insurance
Your purchase is insured whilst in transit until it is delivered to you. We require a signature for any goods delivered, at which point responsibility for your purchased goods passes to you. If you do not receive the goods in person (i.e. for gift orders or where an item has been signed for by a concierge/reception desk) then the person who signs for the package confirms receipt and is accountable for the package.
The Buyer is required to inspect the Products upon delivery. Any defects must be reported without delay and no later than seven (7) days from receipt.
Returns of watches can only be for defects upon delivery.
Please use this number to contact us: +41 22 900 20 25
