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Rolex
Milgauss
Oyster, 40 mm, Oystersteel
Reference
116400GV
Model Case
Oyster, 40 mm, Oystersteel
Oyster Architecture
Monobloc middle case, screw-down case back and winding crown
Diameter
40 mm
Material
Oystersteel
Bezel
Smooth
Winding Crown
Screw-down, Twinlock double waterproofness system
Crystal
Green sapphire, scratch-resistant
Water Resistance
Waterproof to 100 metres / 330 feet
Movement
Perpetual, mechanical , self-winding , with a magnetic shield to protect the movement
Calibre
3131, Manufacture Rolex
Precision
-2/+2 sec/day, after casing
Oscillator
Paramagnetic blue Parachrom hairspring
Winding
Bidirectional self-winding via Perpetual rotor
Power Reserve
Approximately 48 hours
Bracelet
Oyster, flat three-piece links
Bracelet Material
Oystersteel
Clasp
Folding Oysterclasp with Easylink 5 mm comfort extension link
Dial
Z-blue
Details
Highly legible Chromalight display with long-lasting blue luminescence
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
Green sapphire crystal
The green sapphire crystal is a unique watch crystal developed by Rolex, it is scratchproof, fade-proof and available exclusively on the Milgauss.
Z-Blue Dial
Green sapphire crystal marked a first in watchmaking when it was introduced on the Milgauss in 2007. Now this crystal is combined with an electric blue dial, an allusion to the emblematic lightning-bolt-shaped seconds hand.
Oystersteel
Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most commonly used in high-technology and in the aerospace and chemical industries, where maximum resistance to corrosion is essential. Oystersteel is extremely resistant, offers an exceptional finish once polished and maintains its beauty even in the harshest environments.
MODEL AVAILABILITY
All Rolex watches are assembled by hand with the utmost care to ensure exceptional quality. Such high standards naturally restrict Rolex production capacity and, at times, the demand for Rolex watches outpaces this capacity.
Therefore, the availability of certain models may be limited. New Rolex watches are exclusively sold by Official Rolex Retailers, who receive regular deliveries and independently manage the allocation and sales of watches to customers.
Official Rolex Retailer’s name] is proud to be part of the worldwide network of Official Rolex Retailers and can provide information on the availability of Rolex watches.
The reliability and precision of an ordinary mechanical watch can be affected by a magnetic field of 50 to 100 gauss. But many scientists are exposed to much higher magnetic fields during the course of their work. Rolex’s solution was the Rolex Milgauss, created in 1956, the first watch of its kind. Hence the name of the watch, mille being French for thousand.
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