Master Control

ref. 1548420

This classically pure case houses exceptional performances. The new ceramic ball bearings of the automatic mechanism and the variable inertia balance further enhance the reliability of its automatic movement.

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Focus

Master Control - Video

Master Control - Video

Self-winding movement, Master Control

Self-winding movement, Master Control

The new ceramic ball bearings of the automatic mechanism and the variable inertia balance further enhance its reliability.
Sapphire case-back, Master Control

Sapphire case-back, Master Control

Its sapphire case-back reveals an automatic movement with a 22-carat oscillating weight segment.

Variable inertia balance wheel

The use of a variable inertia balance guarantees the stable rate of a Jaeger-LeCoultre watch. To ensure optimal shock-resistance and exceptional reliability, the balance-bridge is fitted with two rests and the balance-spring is laser-welded to the stud and collet.

Technical details

Reference:
1548420
Case material:
Stainless Steel
Strap/bracelet:
Alligator Leather
Jaeger-LeCoultre Calibre
  • 899
Movement
  • Automatic
  • Number of pieces : 219
  • Vibrations per hour : 28800
  • Power-reserve : 43 Hours
  • Jewels : 32
  • Barrel : 1
  • Height : 3.30 mm
Functions
  • Hour - Minute
  • Seconds
  • Date
Case
  • Stainless Steel
  • Water resistance : 5 bar
  • Diameter : 39mm
  • Thickness : 8.5mm
Dial
  • Silvered sunray-brushed, rhodium-plated numerals and hour-markers
Hands
  • Dauphines
Strap/bracelet
  • Alligator Leather
Buckle
  • Double Folding Buckle 16.0 mm

Jaeger-LeCoultre Calibre 899