Master Compressor Diving Chronograph

Master Compressor Diving Chronograph

ref. 186T170

Its grade 5 titanium case able to withstand the extreme pressures prevailing at depths of 1000 metres and its compression keys make it a sturdy diver’s watch. Its blue and white operating indicator appears through a semi-circular opening at 6 o’clock. The case measuring 44 mm in diameter is equipped with rubber-clad crowns to ensure easy handling in all circumstances.

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Technical details

Reference:
186T170
Case material:
Titanium
Strap/bracelet:
Titanium
Jaeger-LeCoultre Calibre
  • 751D
Movement
  • Automatic
  • Pieces number : 272
  • Vibrations per hour : 28800
  • Power-reserve : 65 Hours
  • Jewels : 41
  • Barrel : 2
  • Height : 5.65 mm
Functions
  • Hour - Minute
  • Date
  • Movement operating indicator
  • Chronograph
  • Hour counter
  • 30-minute counter
  • 60-second counter
  • Diving bezel
  • Pulsimeter
Case
  • Titanium
  • Water resistance : 100 bar
Dial
  • Black, stamped and luminescent numerals and hour-markers
Hands
  • Trapèze
Strap/bracelet
  • Titanium
  • Satin

Jaeger-LeCoultre Calibre 751D

Focus

Pulsometer, Master Compressor Diving Chronograph

Pulsometer, Master Compressor Diving Chronograph

The dial surround features a graduated scale serving to measure the pulse rate per minute. All the user needs to do is activate the chronograph seconds hand, stop it after 30 heart-beats and then read off the figure on the scale to which the hand is pointing.
Patented push-pieces, Master Compressor Diving Chronograph

Patented push-pieces, Master Compressor Diving Chronograph

The push-pieces are equipped with the brand’s compression system. When in a closed position, they ensure optimal security by supercharging a toric gasket. To use the chronograph, the wearer simply makes a half-turn of the wing-nut in order to release the push-pieces ready for operation.