The Zenith Port Royal Concept was on my mind since it was presented last year, the only thing holding me against was the outrageous list price of 15500 €, you clearly have to see the normal version and the concept next to each other to know what the difference is, and I can tell you the dial of the concept is uncomparable to the steel version!!, luckely I had the chance to pick it up at a more decent price than list!

IN 07/06

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El Primero on the move. Here is a creation of quite extraordinary complexity: the first self-winding chronograph calibre with an oscillating weight rotating on a centrally positioned ball bearing, and with all the parts and complications perfectly integrated. It was in March 1969 that it made its première appearance, after more than five years of design and preliminary work. The handsomely scaled calibre has thirteen diameter lines, i.e. 30 mm for a slim 6.50 mm thickness, or 7.55 mm for the instantaneous changeover triple date version. The movement has a column wheel and classical reset hammers and to this day is still the finest on the market. It is also the most accurate of all movements. The glucydur balance wheel combined with a flat spiral spring made from top quality non-magnetic self-compensating Anachron oscillates at a rate of 36 000 vibrations per hour, to produce chronometer measurements accurate to one-tenth of a second. The movement is not affected by any sudden changes or magnetic fields, and has the best long-term timing ratio in its category. The movement is comprised of 354 parts, and in the most complicated version 277 of these are different parts. There are 41 screws, plus 31 jewels; over fifty different points have to be oiled using ten different grades of lubricant (including four dry lubricants for the high-performance escapement) for the simple version, and another 38 points for the main plate of the triple date mechanism.This truly wondrous movement requires a total of nine months work, involves between five and fifty separate operations per part, some fifty milling procedures at different points on the dial side and 77 milling procedures on the bridges side. More than eighteen different metals are used to make one movement, combined with the devotion of more than twenty specialist watchmakers dedicated to their daily work. Such complexity as found in El Primero, the movement created by ZENITH, must surely have a soul

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