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Grönefeld is a prestigious watch brand known for its exquisite craftsmanship and innovative designs. The brand is celebrated for its limited production of high-end timepieces, each showcasing exceptional attention to detail and technical mastery.
Grönefeld is a Dutch independent watch manufacture founded by brothers Tim and Bart Grönefeld, both trained watchmakers. Based in Oldenzaal, Netherlands, the brand is celebrated for exceptional traditional finishing — particularly their hand-bevelling and polishing — and for technically refined complications including their one-hertz jumping seconds, time-only pieces, and regulator displays. Grönefeld represents Dutch precision engineering applied to horology with a minimalist aesthetic.
The One Hertz (1H) is Grönefeld's signature complication — a seconds hand that jumps exactly once per second with a deadbeat action, rather than gliding continuously. This requires a special release mechanism that stores energy and releases it in a precise impulse. The One Hertz was the complication that established Grönefeld's reputation: the mechanism is technically demanding, visually captivating, and references the precision regulator clock tradition beloved by horological purists.
Grönefeld occupies a respected position among independent manufactures — not the most famous nor the most expensive, but consistently praised by knowledgeable collectors for honest, superbly finished watches with genuine technical content. Tim and Bart Grönefeld are both working watchmakers who hand-finish their own movements, giving them credibility that brands relying on external craftspeople cannot claim. Their price positioning (CHF 30,000-80,000) makes them accessible relative to peers like Greubel Forsey or F.P. Journe.