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#3104

Urwerk UR-300 Time Quantum: The Wandering Hour Gets a Quantum Jump

Urwerk has spent nearly three decades refining a single, stubbornly original idea: the wandering hour. Instead of hands sweeping a dial, a satellite carrying the current hour travels across a minute track, carrying the time with it. It is a display that feels less like reading a measurement and more like watching a small mechanical planet complete an orbit .

The UR-300 Time Quantum does not abandon that language. It interrupts it. Where previous Urwerks presented a rotating carousel of hour satellites, the UR-300 uses a T-shaped frame of hour modules that jumps, rotates, and rebuilds itself every sixty minutes . For fifty-nine minutes, the flat face of the active hour module travels a 108-degree arc, pointing to the minutes as it goes. Then, in a split second, stored energy releases, the frame jumps forward 72 degrees, the spent hour module rotates out of view, and a new hour module swings into position . The brand describes the inspiration as quantum entanglement—two “atoms” flipping in concert—and while that metaphor could easily feel strained, the mechanism itself is concrete enough to earn it .

The engineering behind that jump is the real story. A LIGA-formed arm drives forward 180 degrees per hour, but a stationary cam pulls the display rack back by 72 degrees as it turns, so the visible motion is only 108 degrees. At the hour change, the rack falls off the cam’s edge and releases the stored 72 degrees in an instant—a controlled mechanical snap rather than a slow sweep . The automatic UR-30.01V caliber runs at 4 Hz, uses dual mainspring barrels to supply that burst of energy, and still delivers 44 hours of power reserve, with Urwerk’s patented Dual Flow Turbines regulating the winding . <p>replica Urwerk watches</p>

[yexra]

#3105

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