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The “1000 Hours Control” legend, or the “ ”
seal engraved on the back of the watch certi-
fies that each of the models from our collection
has successfully undergone all of the qualifica-
tion tests, and that your watch has successful-
ly undergone all of the production tests. These
ensure regularity of rate, resistance to varia-
tions in temperature and atmospheric pressure,
ability to withstand shocks and magnetic fields,
as well as water resistance.
Technical specications
- Automatic mechanical movement,
Jaeger-LeCoultre Calibre 939AA.
- 28,800 vibrations/hour.
- Power reserve: approximately 70 hours.
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