Pocket Watch Size
Please do not call us for antique pocket watch information and/or values.Please see our watch information section, or visit the NAWCC Message Board if you need further assistance.
We do not sell, research, nor offer appraisals or values for used, vintage, or antique watches.
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).