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Urwerk has built the most incredible watch winder you've ever seen

The 55-lb "clock" is crafted from solid aluminum and weighs 55 lbs.
Urwerk AMC

It might look like something that controls a nuclear arsenal, but the Urwerk AMC master clock is a lot less threatening than it looks and maybe one of the coolest watch accessories ever made. What you're looking at is the "Master Clock" component of the AMC, a machine that is a modern interpretation of the Breguet Sympathique. The 55-lb unit is crafted from a solid block of aluminum and will automatically rewind the specially-designed Urwerk timepiece, sets the correct time, and balances the rate.

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