As NEW Old Stock Rolex GV (Glace Verte) or "Anniversary" model green tinted sapphire crystal with black dial Milgauss.
Milgauss is derived from the Latin "mille", which means one-thousand, and gauss, the unit of a magnetic field. This model is so named because it can withstand a magnetic flux density of 1,000 gauss.
Easily recognisable by the electrical bolt bright orange seconds hand. The Automatic 3131 also has the famous Rolex Parachrom-blu hairspring to provide greater accuracy. Set on a satin brushed with inner high polish strip stainless steel Oyster bracelet with solid clasp.
Designed for electrical engineers and the only Rolex produced with a tinted crystal!
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