Differences between 2230 and 2231

[tmbwatchmaker]

Could somebody provide me with information on the differences between the two calibres?

[shofzr]

Originally Posted by tmbwatchmaker

Could somebody provide me with information on the differences between the two calibres?

2231 has taller cannon pinion, hour wheel, Second wheel, and alignment bridge (2231-300) for the thicker dials used on this caliber.




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[MCBwatchrepair]

So you could substitute a 2230 balance complete in a 2231, Right??