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  • Technical
  • Calendar
  • Astronomical indications

Master Calendar

Jaeger-LeCoultre 2015

ref. Q1552540 / Q1558421
Men's

Jaeger-LeCoultre’s self-winding Master Calendar watches are equipped with a complete calendar displaying the date around the dial circumference, the day of the week and the month through two apertures and the moon phases by means of a rotating disc. The new releases in 2015 differ from the pared-down classic versions by their dials made of meteorite, a material that is extremely difficult to work with. Fine plates are carefully cut out from a solid block, discovered and officially registered in Sweden, before undergoing several preparation stages designed to reveal their inherently unique structure. They lend unique character to the rose gold model and its steel counterpart. 

Function

  • Function
    Hours, Minutes, Small seconds

Complications

  • Astronomical indications
    Moon phases
  • Calendars
    Simple calendar

Movement

  • Movement name
    Jaeger-LeCoultre Calibre 866
  • Energy supply
    Self-winding
  • N° of components
    305
  • N° of jewels
    32
  • Power reserve
    43 hours
  • Form
    Round
  • Height/thickness
    5.65 mm
  • Diameter
    26 mm

Case

  • Form
    Round
  • Material
    Rose gold / steel
  • Height/thickness
    10.6 mm
  • Diameter
    39 mm
  • Back
    Sapphire
  • Water-resistance
    50 m

Dial

  • Material
    Meteorite
  • Colour
    Anthracite / light grey

Strap

  • Material
    Alligator
  • Fastening
    Pin buckle / folding clasp