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Old 25 April 2016, 11:46 PM   #1
ec00421
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Cal. 324 and silicon balance spring?

Hi folks,

Does anyone know when silicon balance spring was introduced into 324 movements?
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Old 26 April 2016, 12:09 AM   #2
PJ S
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Spiromax first appeared 10 years ago, in the 300-piece AC 5350.
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Old 26 April 2016, 12:54 AM   #3
ec00421
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Quote:
Originally Posted by PJ S View Post
Spiromax first appeared 10 years ago, in the 300-piece AC 5350.
Thanks for the reply.

So am I right in assuming ALL cal. 324 's are equipped with spiromax?
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