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The caliber 411 [message #441] Fri, 31 May 2013 18:40 Go to previous message
JackW is currently offline  JackW
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This is the caliber 411, a 15 jewel movement that is 10.5 ligne or 23.7mm in diameter. Almost all parts will interchange with others in the 405-series. The only difference between the 411 and the 421 is the size; other wise it is fully interchangeable. These movements are always marked with the caliber number in the space next to the balance wheel and the pivot jewel for the escape wheel.
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