Jaeger le Coultre 449-723, Balance staff

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  NOS original part.
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  Total length: 331
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  Fits cal: 449, 450, 452, 463, 464, 468, 469, 478, 479, 484, 488, 494

Data: Jaeger le Coultre cal: 449

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  15/17 jewels, manual wind, sub second.
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  Size: 12,5''' 28,80 mm.
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  H: = 4,00 mm.
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  N: = 18000.
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  Power reserve:

Versions:

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  449: 12,5''' sub second.
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  450: 12,5''' center second.
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  452: 12,5''' sub second.
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  463: 12,5''' sub second, same as 449.
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  464: 12,5''' sub second, calendar: day, date, month.
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  468: 12,5''' center second, same as 450.
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  469: 12,5''' sub second, same as 449.
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  478: 12,5''' center second, same as 450 and 468.
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  479: 12,5''' sub second, same as 449, 452, 463, 469.
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  484: 12,5''' sub second, calendar: day, date, month, same as 464.
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  488: 12,5''' center second with stop function.
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  494: 12,5''' sub second, calendar: day, date, month, moon phase.