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ROLEX MILGAUSS

milgaussThe Milgauss gets its name from an amalgamation of the words mille (from the French meaning one thousand) and gauss, the unit of measurement of magnetism. It was first produced in 1954 to guarantee perfect functioning of a movement even in the midst of strong magnetic fields.
The model developed is resistant to a magnetic flux density of 1,000 gauss (the average maximum  is 100) thanks to the pure iron which protects the movement, isolating it from external electromagnetic fields.
The movement itself is fitted with components made with antimagnetic alloys. This distinguishing characteristic makes it an excellent watch for those who work in research laboratories or power stations and who are therefore exposed to electromagnetic induction on a regular basis.


milgauss Milgauss appeared on the market in three versions:

Rolex Milgauss Ref. 6543

Protection from electromagnetic fields is ensured by a considerably thick bottom plate which acts as a small Faraday cage and by a pure iron ring surrounding the movement. The indicators are dauphine with a straight seconds hand; the rotatable bezel was first a graduated insert then bore small triangle hour markers. The width between the lugs is less than 20mm; the dial is black with silver inscriptions and luminous appliqué hour markers.

Rolex Milgauss Ref. 6541

The movement is isolated from electromagnetic fields by a pure iron “bell”, the width between the lugs is 20mm and the bracelet is Oyster; the dial is black with silver inscriptions and luminous appliqué hour markers.
This model introduced the “thunderbolt” seconds hand


Rolex Milgauss Ref. 1019

milgaussThis model took on a more linear design and replaced the reference 6541 in the 1960s. It introduced several changes: the bezel became smooth; the movement is calibre 1580, unlike the previous 1065M, 1066M and 1080 movements; the aluminium dial is available in black with a “scratch” finish and silver with a glossy finish and it is graduated to ¼ seconds (subsequently ½ seconds); the inscription Milgauss at the 12 o’ clock position is more noticeable than on previous versions.


milgauss

This model did not have much commercial success, to the point that it was only produced on demand and was excluded from Rolex catalogues circa 1988 without being replaced.
It wasn’t until the BaselWorld tradefair of 2007 that a new Milgauss would be launched, reference 116400: this model maintains its antimagnetic properties and introduced new qualities such as a 40mm case, a smooth finish and a black or white dial.
A special version of the Milgauss with reference 116400 GV is characterised by a never seen before green sapphire crystal.
This model has a calibre 3131 mechanical automatic COSC certified movement. The components modified in the watch’s “engine” are the Parachrom hairspring and the escape wheel, made out of an innovative antimagnetic material.
 

Rolex Milgauss References

Legend:
Steel Plexiglass Tropic plexiglass crystal
Sapphire crystal


REFERENCE

CASE MATERIAL

CRYSTAL

6541

acciaio

Plexiglass

6543

acciaio

Plexiglass

1019

acciaio

Plexiglass

116400

acciaio

116400GV

acciaio


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