Perpetual Calendar Mechanism

iwc.davinci.calplate.section

Calendar Plate Exploded diagram

Time to figure out all the bits and pieces of a perpetual calendar watch.

So many bits and pieces! Wondering where to start? Here’s a great 1 page primer to get you started. See if you can remember all the names, then work on understanding functionality and calculation.

http://people.timezone.com/library/horologium/horologium0015

 

 

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