Jaeger LeCoultre: Master Compressor Extreme LAB 2

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The new Master Compressor Extreme LAB 2 is a mechanical Chronograph with GMT-function, especially developed for use in the most extreme conditions. The chronograph has a digital number display and a radial power reserve for easy readability. It is the first multi function watch outfitted to resist magnetic fields. The movement construction provides this anti magnetic shielding through the use of a silicone escapement and a special alloy for the gears and trains close to the escapement. As a member of the Master Compressor line, which stands for diehard-sports watches with innovative functions and thoroughly tested mechanisms, the Master Compressor Extreme LAB 2 is outfitted with state of the art technology, the latest in materials science and watchmaking development.

• Movement:
  • Mechanical automatic Calibres 780 und 781, developed and manufactured by Jaeger-LeCoultre
  • Parts: 569 (Calibre 780), 566 (Calibre 781),
  • Diameter: 33.8 millimeters,
  • Height: 9.8 millimeters,
  • Power Reserve: 60 hours with one barrel,
  • Base plate made of nickel,
  • Antimagnetic up to 240 Gauss (Calibre 781),
  • Test: Jaeger-LeCoultre’s 1000 hours test

• Functions:
  • Hours, minutes, and small second’s hand (as function indication),
  • Second time zone (with 24 hours counter) adjustable in hour-steps, date,
  • Independent second’s stop,
  • Function selector,
  • Chronograph with digital minute display,
  • Semicircular radial power reserve indication

• Chronograph:
  • Digital jumping minute counter with two discs,
  • Central second’s hand,
  • Accuracy: up to 1/8 of a second,
  • Counting up to 24 hours,
  • Column wheel mechanism,
  • Vertical clutch system,
  • Two pushbuttons with rubber-covered, L-shaped security arms

• Function selector:
  • Ceramic crown with integrated pushbutton to select three functions via column wheel: 1) winding; 2) setting of date and second time zone; 3) setting the time

• Escapement:
  • Beat rate: 28,800 half-beats per hour,
  • Large balance wheel with a moment of inertia of 1.5 mg cm2 and variable inertia screws,
  • Balance bridge: fixed to two support points, stud held by two screws,
  • Protection device for limitation of the hairspring movement,
  • Escapement made of amagnetic silicium (Calibre 781)

• Automatic winding:
  • Unidirectional automatic winding to up to 60 hours of power reserve, depicted by semicircular radial power reserve indication,
  • Rotor: mounted on lubrication free ceramic ball bearings,
  • Shape: rotor mass made of platinum, held by three arms

• Case:
  • Dual-Ring-Case: Sandwich structured case with carrier-chassis and movement container,
  • Components: 143,
  • Black zirconium ceramic bezel,
  • Sapphire glass on front and back,
  • Zirconium-ceramic crown,
  • Movement-container made of TiVan15 (exclusively used by Jaeger-LeCoultre),
  • Chassis materials: TiVan15 (Calibre 781) or 18 carat red gold (Calibre 780),
  • Diameter: 46.8 millimeters,
  • Height: 16.5 millimeters,
  • Pushbuttons with L-shaped security arms and rubber cover

• Dial and Hands:
  • Open worked dial with bridges in black PVD coating and different areas highlighting specific functions,
  • Luminescent indexes,
  • Newly formed skeleton hands,
  • Hands antimagnetic (Calibre 781)

• Strap und buckle:
  • Double Alligator leather strap,
  • New integrated system to change the bracelet,
  • New adjustable double pin buckle fixed in two positions,
  • Strap secured through two attachment points with further adjustment in three positions

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