This auction for is: Very Nice Antique 1949 HAMILTON 992 B  - Open Face    Movement  Pocket Watch - 16 S - 21 Jewels - Grade : 992 B -Model : 5  - Adjusted 6 Positions  !
Lever Set!
The movement  RUN great !
The movement said : Hamilton Watch Co. USA - 992 B -21 Jewels - Adj Temp and 6 positions !
Movement serial number : C 255124


HAPPY BIDDING!!!.
From the American Horology Archive:
Hamilton Watch Co.

Grade: 992B


Manufacturer:Hamilton
Manufacturer Location:Lancaster, Pennsylvania
Movement Serial Number:C255124
Grade:992B
Model:5
Estimated Production Year:1949
Run Quantity:26,900
Grade/Model Run:11 of 32
Grade/Model Total Production:531,750
Size:16s
Jewels:21j
Movement Configuration:Openface
Movement Finish:Nickel
Movement Setting:Lever
Plate:3/4 Plate
Adjusted:Yes
Adjusted # of Positions:6
Adjusted to Temperature:Yes
Railroad Grade:Yes