Sunday, February 12, 2012

Jaeger-LeCoultre - Master Compressor Diving Pro Geographic

Similarly, no new model, but I really like these divers  :)  )))

In basic functional terms, the Master Compressor Diving Pro Geographic allows the reading of time in two time zones. The first is read off the watch’s central hands, while the second is found on the 24- hour format subdial at nine o’clock. This display is synchronized to the city disc located in an aperture at six o’clock; turning this disc to any of the 24 cities representing our 24 time zones will give you an instant reading of time there in the subdial.

But to focus on the simple second time zone abilities of this timepiece is to overlook its truly remarkable innovation. Strap on the watch and your eyes will naturally be drawn to the lefthand side of the titanic 46.3-mm watch case — home to the most technically advanced, all-mechanical diving device known to man, Jaeger-LeCoultre’s proprietary depth gauge.

This marvel of engineering is composed of 24 elements and represents a relentless 1,500 hours of research and development. It takes two hours to assemble and provides an accurate reading of depth to within one meter from zero to 80 meters below sea level. Look closely at the depth gauge and you’ll find a rectangular opening devoid of sapphire crystal that exposes the alchemic workings, known as the membrane. The membrane is the actual apparatus that translates water pressure into a reading of how deep you’re submerged on the watch dial.



 


In the process of creating the Master Compressor Diving Pro Geographic, Jaeger-LeCoultre studied all other mechanical depth gauges. It found that the Achilles’ heel of these previous systems was that they depended on water entering the internal mechanism to tell depth, which allowed debris to clog the device. In Jaeger-LeCoultre’s proprietary system, water never enters the internal mechanism.

Instead, the contraction and return of the depth gauge’s membrane as water pressure rises and diminishes is supported by a specially calibrated spring around the rail mechanism that allows consistent and accurate travel for the rail at all times. The correct functioning of the membrane is dependent on the correct calibration of this spring.

The origin of the intricate and brilliant engineering of this device is innately connected to the brand’s famous innovation, the Atmos clock; a clock which requires no winding and derives its energy purely from tiny variations in environmental temperature or pressure. Says Jerome Lambert, “Inside the Atmos is also a membrane that contracts and expands according to environmental temperature.


The only difference is that inside the Atmos is a gas that expands or contracts. The solution we have achieved is a spectacular demonstration of how we’ve used our rich history and the total integration of our manufacture to solve age-old problems with totally new solutions.”




De Bethun - DBS

The model is not new, but I really like this watch ..

 A dream to behold, the DBS is a watch for the man who is only satisfied with the best. The semi-skeletal, hand decorated De Bethune reverse Côte de Genéve complex dial allows for full appreciation of the advanced technology this watch houses.





















• The unique patented De Bethune titanium/platinum balance with curved terminal plate protected by the triple pare-chute system offering perfect centring and ease of fixation, so avoiding the delicate regulation needed by ordinary watches.
• The patented De Bethune self‐adjusting double barrels, specially designed to eliminate friction and to transmit the maximum amount of energy at optimum efficiency. 
• The patented 3-dimensional De Bethune moon phase rotating on its own axis.


Reference:
DBSRS1 - rose gold case white dial
DBSRS5 - rose gold case anthracite dial
DBSRS8 - rose gold case black dial
DBSWS1 - white gold case white dial
DBSWS5 - white gold case anthracite dial
DBSWS8 - white gold case black dial
DBSPS1- platinum case white dial
DBSPS5 - platinum case anthracite dial
DBSPS8 - platinum case black dial

Functions:  
Hours, minutes, De Bethune spherical moon-phase,
Power reserve
Movement:  
Calibre DB 2015 – hand‐wound mechanical movement,
265 components - hand-decorated pearlised and snailed, hand-chamfered and polished steel parts,
Côte De Bethune, self-regulating twin barrel,
Titanium/platinum balance wheel with flat terminal curve,
Triple pare-chute shock-absorbing system, exclusive three-dimensional moon-phase indication
Jewelling: 31 rubies
Frequency:
 
28,800 vibrations per hour
Case : 
Shaped case  42.8 mm in diameter and 11 mm thick,
Integral ogive lugs 
Crystal:
 
Sapphire crystal, 1800 Vickers hardness with double anti‐reflective treatment
Crown:

Screw‐down at 12 o'clock, setting in two positions
Case back:
 
Power reserve indicator controlled horizontally
Water-resistance:
3 atm
Dial: 
Semi-skeletal dial with hand decorated Côte de Bethune,
Bridge with open work and De Bethune spherical moon phase at 6 o'clock
Strap: 
Extra-supple alligator leather with Ardillon buckle

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