left/right
mens/womens (size of case)
shape of case
shape of dial
kind of numerals on dial: arabic, roman, tick, or none
which numerals showing? 1-12, 12-3-6-9, etc
number of lugs
shape of lugs
how many hands? 1,2,3
is there a day of the month box?
is there a month of the year box?
font on all of the numerals
font size on all of the numerals
orientation of the numerals (can be perpendicularly aligned with center)
other sub-dials have the same categories as the main dial.
the logo
the detail on the outside of the dial
type of band
type of clasp
design of the back of the watch
colour of each of the hands