Hands On Horology 2025 - Early Bird Tickets Live

Johan Grönefeld founded his eponymous luxury watchmaking brand in 1912. Today, that legacy continues with the third generation of Grönefelds, brothers Bart and Tim, who have come to be known as the Horological Brothers. At their workshop in Oldenzaal, they continue to perpetuate Grönefeld’s horological history.

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