ROLEX MILGAUSS Z BLUE WATCH: It was created in 1956 for engineers and technicians who are exposed in their work to magnetic fields which disrupt the performance of mechanical watches. It was designed to resist strong interference of up to 1,000 gauss, hence its name - mille being French for thousand – while maintaining its performance and precision as an officially certified chronometer.
Milgauss 116400 Engraved By MadeWorn Watch Review - by Ariel Adams - on aBlogtoWatch.com "The Rolex Milgauss reference 116400 watch is a modern classic. Sporty and historic, this popular Rolex timepiece today serves as the slightly avant-garde, casual-to-dress watch evoking good taste, a focus on performance, and of course, a high station in life to the owner who is wearing it... This is a Rolex Milgauss which has been fully engraved in America under the MadeWorn label..."