The origin of Milgauss had an essential association with the electrification of modern industry. As the grogress of modern science and technology, as well as the maturity of electromagnetic technology, the watch’s application was also facing a new challenge. More and more scientists and technicians were exposed to the electromagnetic working condition, in order to successfully complete their precise working content, a reliable watch was needed to compute the time accurately. Unfortunately, in the electromagnetic environment, which was more than 60 to 70 Gauss, the traditional watches they were wearing were easily affected by electromagnetism and walked at random. When the electromagnetic intensity was greater than 1000 Gauss, the movement completely stopped. Rolex decided to accept such technical challenge, researched and developed a watch with high anti-magnetic ability, after several years of researching and striving, Rolex finally invented Milgauss.
Milgauss watch could still work normally when the electromagnetism was up to 1000 Gauss, the name of Mil-Gauss was combined with mille(1000) and Gauss, which indicated it had the anti-magnetic ability of 1000 Gauss. Oyster Perpetual Chronometer Milgauss Ref. 6541, which was very rare and stunning today, was the first watch developed by Rolex and had 1000 Gauss anti-magnetic ability. Most of the existing 6541 Milgauss had a bezel with black scales, which was similar to the early Submariner watch, the unique Lightening Bolt second hand with a small red arrow at the top, 6541 Milgauss was made in 1958, it was equipped with Calibre 1080, which was 25 jeweled. The dial of Milgauss 6541 had distinctive honeycomb decoration, 3-6-9 hour markers were triangular and made of steel, the other hour markers were radium-coated rounded dots. Milgauss used Oyster case and bracelet, its anti-magnetic property depended on the protection from the soft iron in the three-tiered case, the dial was also made of soft iron, the screwed down case back had an extra cross-shaped accessory.
Today, we could even have the chance to see another version of Milgauss 6541, it was more rare and also used Calibre 1080, but the bezel had no black scales, its production year was slightly controversial, some people thought that it was made earlier than the 6541, which had black scales on the bezel, perhaps in the end of the 1950s. Whatever, in 1960, the second generation of Milgauss, Oyster Perpetual Milgauss Ref. 1019, was officially unveiled, it was equipped with Calibre 1580 movement, which was 26 jeweled. Ref. 1019 cancelled the black-scaled bezel of Milgauss Ref. 6541, the hour markers were changed into rectangular metal markers, the second hand also gave up Lightening Bolt and used linear hand, but it still had a red arrow. The case diameter of 1019 Milgauss was 38mm, not only 1019 Milgauss could be anti-magnetic to 1000 Gauss, but it was also water resistant to 50m. Milgauss 1019 was discontinued in 1980, which drew the ending song of whole Milgauss series....until the release of the new Milgauss recently..
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