Pocket Watch Size
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The information provided is for reference only.
THANK YOU FOR YOUR UNDERSTANDING!
18s, 12s, 3/0... what does this mean?
Below is a table to convert an American pocket watch size to inches
and millimeters. This measurement refers to the size of the
movement, as measured at the dial plate, not the case or dial.
Finally, YES they were measured in 30th of an inch, not 32nds!
Watchmakers and hobbyists - Click here for
the free downloadable version
(must have Adobe Acrobat or equivalent to view the .pdf file).