1911 Hamilton Grade 992 Size 16S Pocket Watch in Salesman (skeleton) snap Case.
See pictures for condition details. 
Watch works and keeps time. Case is Hamilton snap front and back (with transparent case back). 
To set you need to unsnap the front with case knife (lever set). 

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 815778
Grade: 992
Model: 1
Estimated Production Year: 1911
Run Quantity: 1,100
Grade/Model Run: 66 of 111
Grade/Model Total Production: 98,400
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: 1st Pattern
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Center Wheel Material: Gold
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes