Master Compressor Diving Pro Geographic

Description

In harmony with its determination to maintain a consistently avant-garde approach, based ona tradition going back to the legendary Deep Sea and Polaris divers watches, Jaeger-LeCoultre presents a new series of three divers watches equipped with spectacular originalfeatures. The latter include a case custom designed to withstand 1000-metre depthpressures and an innovative mechanical depth gauge that owes its very existence to theunique Jaeger-LeCoultre DNA. Master Compressor Diving Pro Geographic is the stardivers model with a 46.3-mm diameter and a mechanical depth gauge, while the MasterCompressor Diving GMT and Master Compressor Diving Chronograph measure 44 mm indiameter.A milestone invention for the Diving Pro model: the mechanical depth gauge (depth sensorchamber)Jaeger-LeCoultre engineers are particularly proud of their latest technical accomplishment,distinctly visible in the chamber on the outer side of the case: the creation of a revolutionarymechanical depth sensor capable of measuring depths ranging from 0 to 80 metres.This ingenious device will find its place in the history books because, like any revolutionary idea,it is based on an extraordinarily simple principle that offers the advantage of avoiding any dangerof clogging, while the absence of gaskets guarantees perfect long-term reliability. In designing it,the Jaeger-LeCoultre technicians conceived the idea of transposing the exclusive system that hasbeen driving the Atmos clock for almost 80 years into a mechanism governed by aquaticpressure rather than air pressure. The Atmos mechanism consists in a gas capsule that expandsor contracts according to the slightest variations in air temperature, and its infinitesimalmovements are used to wind the mainspring of the movement. In a similar way, the depthgauge of the Master Compressor Diving Pro Geographic is composed of a membrane thatexpands or contracts according to the aquatic pressure exercised on its metal head. Itsmovements in turn act upon the dedicated large blue depth gauge pointer by means of a clevertransmission system that is partially visible on the dial itself. The large rhodium-platedcomponent, called a rack, as well as the central pinion, are specifically shaped to enable alogarithmic-scale display that is more detailed over the first 40 metres.This valuable function was designed to be operational even when out of the water. The luckyowner of a Master Compressor Diving Pro Geographic can at any time choose to press slightlyon the head of the depth gauge membrane in order to check whether it is running smoothlyand to observe the relative movement of the pointer according to the intensity of the pressureapplied, as well as the changes in the membrane visible through an opening on the side of thechamber.In an era when diving computers frequently indicate the bodys nitrogen count, calculatedecompression stages or measure water temperatures, the depth gauge on the new MasterDiving Pro Geographic constitutes an impressive achievement combining inventiveness andtechnical genius. Unmistakably an instrument intended for professionals, it symbolises theinexhaustible creativity and reliability of the timepieces conceived and produced within anexceptional Manufacture.A professional case guaranteed water-resistant to 1000 metresThe 44-mm cases of the Master Compressor Diving GMT and Chronograph are designed towithstand extreme conditions at depths of as much as 1000 metres, thanks to an entirely newgeometrical approach.Jaeger-LeCoultre engineers have optimised the case to resist the extreme pressures exertedwell below sea level by varying the thickness of the case middle, the back and the crystal. Thethickest point of the middle now measures more than 5 mm – almost double that of a watchthat is water resistant to 100 metres. The back is screwed in to ensure regular and morereliable compression of the joint under strong pressure. The sturdy cambered 3.60 mm-thicksapphire crystal will need to hold its own at the incredible depth of 1000 metres, correspondingto a pressure of 890 kilograms – the weight of a small car!The design matches the technical performances of these exceptional watches. The lugs havebeen subtly reshaped to fit more smoothly with the diving bezel, whereas the case with itsshape that has been optimised to resist extremely strong underwater pressures confers apowerful visual identity on these professional instruments.Sturdiness, water resistance, reliabilityAs one would expect, the Master Compressor Diving professional models are characterised bytheir diving bezel featuring cutting-edge technical and aesthetic details. The latter has a 60-toothsystem that means it can be indexed every 60 seconds. Like the hands and numerals on the dial,the reference triangle is luminescent to facilitate reliable dive-time calculations.The Master Compressor Diving also guarantees excellent readability thanks to the oversizednumerals and hour-markers, the new shape of the luminescent hands and the use of blue – theonly colour able to ensure maximal contrast below the waters surface. Water acts like a colourfilter, the intensity of which varies according to its composition (such as the presence of salt,plankton, etc.). The higher the water above, the more effective the filter, and the more itreduces the spectrum of colours. At depths of between 30 to 60 metres, blue is the onlyperceptible shade. All of which explains why this colour has been chosen, in particular for themovement operating indicator which bears vital testimony to the fact that the watch is stillrunning and will thus still be readable from several dozen metres below the surface, as well asfor the depth-gauge indications.The tried and trusted compression keys ensure optimal security thanks to the supercharging ofone of the four toric gaskets by reducing the volume of its recess. In their diving version, theycome with a slightly larger diameter and are clad in black rubber to ensure an excellent grip andeasy handling under water.The three models in the Master Compression Diving line are all crafted from a light and ultraresistantgrade 5 titanium, satin-brushed to reduce any glinting under water.Moreover, the extraordinary reliability of Jaeger-LeCoultre movements guarantees peerlesslyaccurate time measurement, a crucial factor in safe diving.Indispensable accessoriesThe models in the Master Compressor Diving series are delivered with various types ofwristband, depending on their version and the owners wishes. The articulated triple-linkbracelet, composed of a metal frame, is moulded in black rubber combining stainless propertieswith unprecedented wearer comfort. For the titanium models, the articulated bracelet isavailable in the same metal. Finally, all versions are delivered with an additional ultra-resistantdiving strap in Cordura® complete with Velcro fastening. The 44 mm models are also availablewith a rubber-clad strap featuring universally recognised resistance.Three typically Jaeger-LeCoultre functionsWhile the automatic movements driving the new series of Master Compressor Diving watchesall feature the trademark precision, sturdiness and reliability of the calibres developed and builtby the Manufacture Jaeger-LeCoultre, each model is distinguished by its own functions.The Master Compressor Diving Pro Geographic, which is recognisable by its 46.3-mmdiameter and its characteristic appearance due to the presence of the depth gauge, houses anew Geographic sports movement. All the wearer needs to do is position the city symbolising agiven time zone in an aperture at 6 oclock, and the time there is automatically shown on a 24-hour subdial at 9 oclock. Nonetheless, this indication highlights the rack required to transmitthe depth indication, read off by a pointer on the logarithmic scale of the depth gauge shownon an outer dial ring. The date appears in an aperture at 3 oclock, whereas the luminescentmovement operating indicator is located in the lower part of the dial. […]

Supplied by the brand to the GPHG for its entry.