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Geophysic True Second

Jaeger-LeCoultre 2016

ref. Q801 84 20
Men's

Jaeger-LeCoultre chose Watches&Wonders in September 2015 to debut the new Geophysic collection, which pairs serious horological substance with a distinctly classic design. The original Geophysic was made in 1958 for scientists on a mission to the North Pole. Accordingly, Jaeger-LeCoultre designed this chronometer to withstand the powerful magnetic fields in the region and thus continue to keep precise time. Today's Geophysic True Second continues this tradition. It is powered by self-winding Calibre 770 which Jaeger-LeCoultre has equipped with the Gyrolab balance wheel, first developed for the Master Compressor Extreme LAB 1 concept watch. Its non-circular shape reduces air friction which enables heightened precision, as shown by the true seconds hand. This is a rarely-seen feature today in which the seconds hand advances by one jump per second. In a mechanical wristwatch, true seconds are considered a complication in themselves, and one which connoisseurs will recognise.

Function

  • Function
    Hours, Minutes, Seconds

Complications

  • Calendars
    Simple calendar
  • Display
    Deadbeat seconds or independent seconds

Movement

  • Movement name
    Calibre 770
  • Energy supply
    Self-winding
  • N° of components
    275
  • N° of jewels
    36
  • Power reserve
    40 hours
  • Vibrations
    28800
  • Form
    Round
  • Height/thickness
    6.57 mm
  • Diameter
    mm

Case

  • Form
    Round
  • Material
    Stainless steel
  • Height/thickness
    11.70 mm
  • Diameter
    39.60 mm
  • Back
    Solid
  • Water-resistance
    50 m

Dial

  • Colour
    Silvered grained

Strap

  • Material
    Alligator
  • Colour
    Black
  • Fastening
    Pin buckle / folding clasp