Master Compressor Extreme Tourbillon

ref. 1762470

Uncompromising on precision and reliability, extremely resistant thanks to the design of its case, this timepiece bears the inventive signature of Jaeger-LeCoultre. Its tourbillon regulator accompanies a high-precision automatic movement that beats at the rate of 28,800 vibrations an hour and has a very large balance while also displaying a second time zone and a date adjustable in both directions.

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Pointer-type jumping date display, Master Grand Tourbillon

An ingenious patented jumping date mechanism has been developed so as not to hide the Tourbillon carriage from view. The 15th and 16th date of each month are positioned on either side of the Tourbillon carriage opening. The date can be adjusted in either direction.

Technical details

Case material:
Pink Gold/Titanium
Calfskin Leather
Jaeger-LeCoultre Calibre
  • 978
  • Automatic
  • Number of pieces : 302
  • Vibrations per hour : 28800
  • Power-reserve : 45 Hours
  • Jewels : 33
  • Barrel : 1
  • Height : 7.10 mm
  • Hour - Minute
  • Second time-zone
  • Movement operating indication (elapsed seconds indication)
  • Tourbillon
  • Pink Gold/Titanium
  • Water resistance : 10 bar
  • Diameter : 46.3mm
  • Thickness : 16.5mm
  • Black and slate, white transferred numerals
  • Calfskin Leather
  • Rubber
  • Double Folding Buckle 20.0 mm
  • Pin Buckle 20.0 mm

Jaeger-LeCoultre Calibre 978