Novelty “One Hertz” from Grönefeld

Watch of the Dutch watch company Grönefeld «One Hertz 1912" One Heart - a movement of "built" around a single balance sheet, from which begin its countdown hour and minute hands, and sinking independent second hand wheel has its own system and own winding drum. Watches «One Hertz 1912" were so named to emphasize the existence of one-second jumps executing a second hand. "One Hertz" - switching frequency second hand, so that it can perform jumps per second. Watch movement with an independent second hand dying (Montre and secondes mortes independantes) in 1776, invented the Swiss watchmaker Jean-Muaz Puze, and refined in a similar construction of modern wristwatches have used the master of the watch company Jaeger-leCoultre (Duometre a Chronographe). Watchmakers of «One Hertz 1912", brothers Bart and Tim Grönefeld did not make a complex movement, called "Duometr," but they did everything themselves - the so-called "draper's movement." In addition to a unique second hand, there is a chronograph exclusive crown, clicking on which you can toggle it from the plant to transfer the hands back and forth. Dutch watchmakers produced 12 pieces of watches «One Hertz in 1912." Another invention of brothers Grönefeld-watch "One Hertz Dune". The new watches are enclosed in case 43 mm and made of 18 carat rose gold. The front and back of the hand covered with a sapphire crystal with anti-reflective coating. On the dial of chronographs there are two overlapping small dial. Inside the second dial is power reserve indicator. At 3:00 position is an indicator function crown. The main feature of the Dutch watch "One Hertz Dune"-a draper's movement of G-02 with an independent second hand, a rare complication in which honor was named the collection. Independent second hand is moving at a frequency of 1 Hz. It is powered by a separate system of gears and drums. Minute and hour hands provides energy to the second drum. Movement is made up of 285 parts of 39 stones set in gold. Model "One Hertz Dune" is presented with a black crocodile leather strap. This limited edition, which has only 20 pieces.