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JLC 476

The Calibre 476 was the first automatic movement from Jaeger-LeCoultre.

Introduced in 1946, the Calibre 476 came 20 years after John Harwood and Blancpain presented the first automatic wristwatch and 15 years after the RolexPerpetual” went into production. It was a bumper movement, not a 360º rotor as in today's watches, but it boasted a respectable 40 hour power reserve and was accurate enough to be certified a chronometer in later years. It ran at 18,000 vph.

The 476 was the basis for the 1948 JLC 481, the first from the company with a power reserve indicator.

Note that Cal. 476 is often stamped “12A”, leading to confusion about the naming of this movement.

See also

Manufacturer:

Description:

Functions:

Data:

  • 17 jewels
  • 18,000 A/h
  • Power reserve 40 hours

Production period:

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jlc_476.txt · Last modified: 11.10.2021 20:33 (external edit)

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