21
Introduction
We would like to thank you for the confidence
you have placed in Jaeger-LeCoultre. Our
Maison has applied all its expertise and passion
to the creation of this model.
We invite you to consult the operating
instructions and hope your Jaeger-LeCoultre
timepiece brings you great joy.
Accuracy and precautions for use
MANUALLY WOUND OR AUTOMATIC
MECHANICAL WATCHES
The accuracy of watch models with mechanical
movements is determined by the balance
wheel. This oscillates at a rate of 21,600
vibrations per hour. Despite all the care that the
master watchmakers of the Jaeger-LeCoultre
Manufacture have lavished on building and
assembling your watch, its accuracy is subject
to the influence of gravity, magnetic fields,
accidental impacts, and the ageing of oils.
The accuracy of a watch is measured by its
1
Minute hand
2
Hour hand
3
Crown A
4
Power reserve of the functions
5
Jumping seconds hand
6
Power reserve of the regulator
7
Seconds hand
8
Date hand
9
Moon phase hand
10
Moon phase aperture
for the northern hemisphere
11
Date correction push-piece
12
Moon phase corrector in the horn gap
ENGLISH
