Today I purchased my first Elgin pocket watch at the local flea-market; incidently, from the very lady who sold me my Ball RR pocket-watch.
Case: GF (Doesn't say this, but it looks gold-filled from the wear that I can see around the crown. Caseback says: "EMPRESS" (crown picture) "A.W.c. Co". Screw back & bezel.
Dial: A couple of hairlines, but not majorly damaged. Hindu-arabic numerals.
Hands: All present and accounted for.
Setting & Winding: Stem/Stem.
S/N: 21335248 = 1918.
Movement: "Elgin Nat.l. Watch Co. U.S.A. 15 Jewels. 21335248." Has a micrometer regulator.
Size:...16, I think.