Water Resistance Waterproof to 100 metres / 330 feet
Movement Perpetual, mechanical , self-winding , with a magnetic shield to protect the movement
Calibre 3131, Manufacture Rolex
Power Reserve Approximately 48 hours
Bracelet Oyster, flat three-piece links
Certification Superlative Chronometer (COSC + Rolex certification after casing)
Green sapphire crystal
The green sapphire crystal is a unique watch crystal developed by Rolex, it is scratchproof, fade-proof and available exclusively on the Milgauss. Its light green shade, tinted throughout the entire crystal, turns nearly luminescent at the bevelled edges. The result of a secret process that required years of development to master and takes weeks to produce.
Green sapphire crystal marked a first in watchmaking when it was introduced on the Milgauss in 2007. Now this crystal is combined with an electric blue dial, an allusion to the emblematic lightning-bolt-shaped seconds hand.
Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most commonly used in high-technology and in the aerospace and chemical industries, where maximum resistance to corrosion is essential. Oystersteel is extremely resistant, offers an exceptional finish once polished and maintains its beauty even in the harshest environments.
The Oyster Perpetual Milgauss is a pioneering anti-magnetic watch designed to meet the demands of engineers and scientists. Created in 1956, it can withstand magnetic fields of up to 1,000 gauss. Hence its name, “mille”, which is French for one thousand. The first watch of its kind, the Milgauss highlights the historic links between Rolex and scientific research.
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