Here is a nice 21Jewel E. Howard Series 11 Pocket Watch! It is clean and running well! It comes in a nice Howard marked JBoss Extra Gold-Filled case that is in good condition!  Please look at the pictures and ask questions!   I have listed some information off of the watch data base online based on the serial number below!

From the American Horology Archive:
E. Howard Watch Co. (Keystone)

Grade: Series 11

This free lookup is part of an independent research project maintained by the Pocket Watch Database.
It's funded by collectors who choose to support the archive.
Manufacturer:E. Howard Watch Co. (Keystone)
Manufacturer Location:Waltham, Massachusetts
Movement Serial Number:1183861
Grade:Series 11
Variation:DR.SpringClick
Model:E
Estimated Production Year:1913
Run Quantity:6,000
Grade/Model Run:1 of 12
Grade/Model Total Production:25,100
Variant Est. Production:6,000 (16S-ME-21J-ONL-A5PTI-DR.SPRINGCLICK)
Size:16s
Jewels:21j
Jewel Setting:Burnished Jewels
Movement Configuration:Openface
Movement Finish:Nickel
Movement Setting:Lever
Plate:Bridge Plate
Double Roller:Yes
Regulator:Micrometric
Hairspring:Breguet
Standard Dial Type:Single-Sunk
Adjusted:Yes
Adjusted to Position:Yes
Adjusted # of Positions:5
Adjusted to Temperature:Yes
Adjusted to Isochronism:Yes
Railroad Grade:Yes
Railroad Grade Classification:Class A
Movement Markings:E. Howard Watch Co.
Boston U.S.A.
Railroad Chronometer
Series 11
21 Jewels
R.R. Adjustment
Temperature
Five Positions
Pat'd '08
Double Roller
Case:Various
Run ID:271.G1.16S181.M1.O187.L57.21J40
Database Version:v52.958