The UR-110 Torpedo from URWERK was released in January 2011.
The case of the UR-110 is made of grade five titanium, and it features a stainless steel bezel. The satellite-based movement took the entire team almost 2 years to develop. It consist of a central carousel providing the mechanism with stability and equilibrium; planetary gearing assuring the parallel rotation of the three hour satellites as they orbit the dial; and three counter-rotating hour modules - each comprising an hour satellite, minute hand and counter balance - mounted on a planetary gear. These three modules are in constant counter-rotation to counteract the direction of rotation of the central carousel.
Additionally, the UR-110 features small seconds, a Day/Night indicator and something we've always loved from Urwerk, an oil change indicator, which tells the wearer when it's time for service.
For more details, click here: hodinkee.com/blog/2011/2/8/the-urwerk-ur-110-torpedo-explained-live-photos-video.html
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