AS 554

Technical data: AS 554

• 
  6/7/15 jewels, manual wind.
• 
  Size: 12''' 26.6 mm.
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  H: = 4.75 mm.
• 
  N: = 18.000 A/h.
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  Power reserve:
• 
  Mainspring: 1.80 x 9.5 - 0.105 - 350

Versions: With different cal numbers, differences are not known between these.

• 
  554: Base cal, ca 1930
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  570:
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  571:
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  608:
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  649:
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  675:
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  712:
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  912: