Rolex Oyster Perpetual Milgauss (2007)

The Milgauss first appeared in 1956. The Milgauss was designed as an antimagnetic watch specifically for those who worked in power plants, medical facilities and research labs where electromagnetic fields are strong (because magnetism can cause inaccuracy in a watch). The current Milgauss (Ref 116400) introduced in 2007 is equipped with amagnetic alloy (Parachrom-Blu) hairspring and movement encased by a magnetic shield. This model is named because it can withstand a magnetic flux density of 1,000 gauss. And it’s also water resistance to 100m, 904L steel case in 40mm, 3131 automatic movement, green sapphire crystal