Mar 11, 2020
Stefan Ketelaars Introduces the 3D Terra in Motion
Twenty-nine year-old Stefan Ketelaars started his eponymous brand in 2017, producing watches based on the ETA Unitas 6497 and 6498 but modified in a novel manner while still being affordable, starting at just €3,800, or about US$4,300. His signature complications are the “flying regulator” time display and spherical day and night display, but most notable is the balance wheel repositioned to the front of the watch. The most recent model unveiled by Ketelaars Watches, the 3D Terra in Motion with Reverse Balance. The new watch builds on his earlier creation that features a miniature Earth that functions as a day and night display, but adds on the elevated balance wheel. Like the rest of his watches, the 3D Terra in Motion is powered by a heavily modified Unitas 6497. But unlike the usual modified-Unitas fare in this price range that reshape the bridges for a new look, Mr Ketelaars retains most of the components on the back and instead reworks the front. From the back, the distinctive Unitas bridges retain the same shape, but enhanced with pronounced, sloping bevelling on all the edges. The anglage is wide enough that its top edge almost touches the countersinks for the nearby screws and jewels. A Ketelaars Unitas 6497 with a standard balance wheel on the back; the bridges are finished with radial graining and anglage The Reverse Balance The most significant modification on the new 3D Terra in Motion is the repositioning of the balance wheel. Instead of being on the...
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