The Girard-Perregaux ww.tc Enamel John Harrison Watch – Limited Edition

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The Girard-Perregaux ww.tc Enamel John Harrison Watch One of the few authentic Swiss watch manufactures, Girard-Perregaux has unveiled a limited edition of watches, as part of its ww.tc collection, dedicated to renowned British watchmaker and inventor of the H-4 watch, John Harrison. This unique Girard-Perregaux ww.tc Enamel John Harrison watch displays the time from 24 time zones around the world. Its dial displays the journey undertaken by John Harrison’s son William from Portsmouth, England, to Port Royal, Jamaica, against a map of the Atlantic Ocean. The contours of the map are engraved on an unprocessed plate of white gold, while the compass rose, showing the eight directions of the wind and measuring no more than 3 mm, is hand-sculpted by a craftsman-engraver. The liquid green and blue enamel, which shows the earth’s most dominant colors, has been applied with the help of a brush, but only after vitrification of the surface at 800 degrees centigrade, which is then cooled, and hard brushed by using special paper and stone to give it a smooth texture. The dial is then manually polished with a diamond file, before a last firing called Dorure or gilding adds shine and reveals the enamel’s full splendour. William Harrison’s journey is delicately indicated by a trace of silvered powder stretching from Europe to America. The Girard-Perregaux ww.tc Enamel for John Harrison is limited to 50 individually numbered timepieces.