SKU: 43233202263

UR-103T WHITE GOLD LIMITED EDITION OF 33 PIECES

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Description

UR-103T WHITE GOLD LIMITED EDITION OF 33 PIECESURWERK UR 103T Tarantula 18k White Gold Satellite Time Overview Some watches become classics the moment they appear. The URWERK UR 103T Tarantula is one of them. Crafted in 18k white gold, the UR 103T reveals its mechanical architecture through a large domed sapphire crystal that exposes the satellite hour system beneath. The open design transforms the display into a kinetic sculpture, allowing the four orbiting satellites to move across the dial in

URWERK UR-103T Tarantula

18k White Gold Satellite Time

Overview

Some watches become classics the moment they appear. The URWERK UR-103T Tarantula is one of them.

Crafted in 18k white gold, the UR-103T reveals its mechanical architecture through a large domed sapphire crystal that exposes the satellite hour system beneath. The open design transforms the display into a kinetic sculpture, allowing the four orbiting satellites to move across the dial in full view.

When introduced, the UR-103T pushed URWERK’s design language further than ever before. Today the watch remains just as futuristic and compelling as when it first appeared, a piece of mechanical design that continues to define the early era of the brand.

The white gold case adds a refined presence that moves effortlessly between casual and formal settings, equally at home with relaxed clothing or formal attire.

Case and Design

The UR-103T, known as the Tarantula, features one of the most visually distinctive interpretations of URWERK’s satellite time display.

Its fully open dial construction exposes the satellite carousel beneath the sapphire crystal. The structure supporting the satellites resembles the form of a spider, giving the watch its Tarantula nickname.

Large domed sapphire allows an unobstructed view of the revolving mechanism while reinforcing the architectural nature of the design.

Satellite Time Display

Time is displayed through URWERK’s signature revolving satellite hour system.

Four hour satellites rotate across the dial, each carrying the hour numerals. As the carousel moves, the active satellite travels along the minute track to indicate the time. The open Tarantula structure partially covers the inactive hour discs while revealing the active hour as it moves through the minute arc.

The result is a display that feels both mechanical and organic, constantly shifting as the satellites orbit across the dial.

Movement

Inside the UR-103T beats the URWERK calibre 3.04, a manually wound movement developed for the UR-103 family.

The movement provides a 36 hour power reserve and drives the complex satellite display through a sophisticated carousel mechanism.

Like all early URWERK pieces, the movement architecture reflects the brand’s experimental spirit and focus on alternative ways of displaying time.

The Control Board

Turning the watch over reveals one of the defining elements of the UR-103 series.

The URWERK Control Board presents several functional displays designed for precise monitoring and adjustment of the movement.

The case back includes:

• power reserve indicator
• running seconds
• 15 minute counter for precise time setting
• user adjustable fine tuning screw

This system allows the wearer to monitor the performance of the watch and make small regulation adjustments when required.

Creator Thoughts

Felix Baumgartner

“We like strange and dangerous animals. The 202 Hammerhead, T Rex, and the 103 Tarantula. The carousel really looks like one.

When we presented this watch at the Four Seasons in Geneva an official from the zoo came every night to look after the real spider we exhibited.”

Martin Frei

“With the UR-103 T we opened the case completely. I had to redesign the technical revolving satellite system.

I added the Tarantula structure which holds the hour satellites and partially covers the hour numerals that are not being displayed.”

Condition

Condition Rating UR-1

As new condition with minimal signs of wear.
Movement serviced and fully operational.

*Please note the strap shown in photographs may differ due to export restrictions.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 43233202263

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P. Hardilek
Louisville, US
★★★★★ 5
Great product and fast shipping
Style: EcoFetch
Great ball launcher and ball. My dog adores it and plays with the ball even when she isn’t fetching. Fast shipping as well!
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Reviewed in the United States on May 26, 2026
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CraZyLeS
West Palm Beach, US
★★★★★ 5
Different colors
Style: EcoFetch
Works well. It is nice it is a different color from all the other Chuckit it balls. Dog loves it. Just wish she would bring it back.
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Reviewed in the United States on May 6, 2026
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Renae Halvorson
Lowell, US
★★★★★ 4
Value for your money
Style: EcoFetch
It's definitely different from the one I lost. It's taking me some time how to throw the ball correctly. It's a hit and miss but we are getting there. When I do get a good throw, it really wings it out there.
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Reviewed in the United States on May 17, 2026
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Will Brannies
Phoenix, US
★★★★★ 5
Well worth it
Style: EcoFetch
Works great
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Reviewed in the United States on May 20, 2026
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T
Bozeman, US
★★★★★ 5
Dog hasn’t destroyed the ball yet!
The ball that comes with this is amazing. I have a 1 yr pitty that destroys everything! But this ball she has not been able to rip apart. I bought extra balls I was so impressed. She loves it too, takes it to bed with her.lol
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Reviewed in the United States on April 15, 2026

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