Rolex Z-Blue Milgauss

Capable of withstanding a magnetic field of up to 1,000 Gauss, the Rolex Milgauss (mille is the French word for 1,000, Gauss a unit of measurement of a magnetic field) was introduced in 1956 to meet the needs of professionals in the scientific and medical fields who are exposed to magnetism at their work sites. 

Rolex Z-Blue Milgauss

Monochrome offers a history of the Milgauss model on their blog, noting that the electric blue dial of the current model is coated with Zirconium, giving it an iridescent aqua-blue look. The contrast between the electric blue dial and the orange lightning bolt shaped second hand gives this version a vibrant look. 

The current Rolex Milgauss model features a 40mm case, a 3131 movement with patented anti-magnetic technology, blue parachrom hairspring, 904L stainless steal case and Oyster bracelet. This Superlative Chronometer also features a Chromalight display. The suggested retail price for the 116400 GV configuration shown above is 7800 Swiss Francs, or $8,181 US. 

In the photo below model Sean O'Pry shows off the Z-Blue Milgauss in an ad for Americana Manhasset, a high end shopping center in New York. It doesn't look like he has to be too concerned about magnetic fields affecting the timepiece at the beach, but the ad does provide a youthful take on the scientific instrument.

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Model Sean O'Pry wearing Rolex Milgauss in Americana Manhasset Ad (photo: covermenmag.com)