Zenith El Primero Chronomaster Open Grande Date Moon & Sunphase

Among all the models of the Rolex, presented over the past few years, the company announced the restart of Explorer II at the exhibition Watches & Wonders 2021.


The model has an updated body Oyster 42mm bracelet with a three-tier Oyster.


The middle part of the housing is made of a single piece of stainless steel Oystersteel, particularly corrosion-resistant alloy.


Waterproof housing of 100 meters has a convex blackened steel bezel with 24-hour scale.


These are typical features of the original Explorer II in 1971.


On the cover of the housing is located a scratch-resistant sapphire crystal.


Tsiklopnaya lens is at 3 o’clock for easy reading choice.


24-hour hand, which can also be used to display a second time zone, retains its characteristic orange color and looks great on a white lacquered dial.


Time label coated with PVD (Physical Vapor Deposition), hour, minute and second hands coated with black lacquer differ matte surface.


The level of detail is impressive dial.


Explorer II also has a new generation of optimized illumination Chromalight.


In the dark blue light emitted by the hour markers and hands, and now it lasts longer thanks to the innovative and exclusive luminescent materials, which are filled or covered.


In daylight, the elements of the dial also have more bright white color.


Rear cover bordered thin groove, sealingly screwed with a special tool allowing access to the mechanism only Rolex watchmakers.


In the new issue of Rolex uses the same mechanism as in the GMT-Master II – Caliber 3285, entirely designed and manufactured in-house.


Caliber 3285, introduced in 2018, it is equipped with a patented Rolex trigger Chronergy, which combines high energy efficiency with high reliability.


Made up of a nickel-phosphorus alloy, it is also insensitive to magnetic fields.


The mechanism is equipped Parachrom optimized blue spiral made of a paramagnetic alloy Rolex, which makes it 10 times more accurate than the traditional spiral in case sudden movements.


Blue spiral Parachrom ensures the accuracy of the mechanism in any position.


Rolex developed and patented high-performance Paraflex shock absorbers increase the impact of the mechanism.


Caliber 3285 is equipped with a self-winding module to the rotor Perpetual.


Due to the cylindrical design and superior efficiency descent stroke margin Caliber 3285 is approximately 70 hours.


Like all watches Rolex, Watch Oyster Perpetual Explorer II are certified Superlative Chronometer, which ensures high precision mechanism.


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