Series 7 Howard Keystone pocket watch clean and ticking movement only 12s 17j

Description

Movement only ticking strong.  See pics for condition, sold as is from scrapped case.
I believe 16s little over 41mm diameter dial side not counting movement ring.
Grade: Series 7
Manufacturer:
E. Howard Watch Co. (Keystone)
Manufacturer Location:
Waltham, Massachusetts
Movement Serial Number:
1336147
Grade:
Series 7
Variation:
Arrow and Empty Circle
Model:
1912
Estimated Production Year:
1917
estimated production year of the movement within +/- 3 years" style="box-sizing: border-box; color: rgb(26, 78, 112); text-decoration: none; text-decoration-skip: objects; -webkit-font-smoothing: antialiased;">
Run Quantity:
39,500
Total Production:
172,700
Size:
12s
Jewels:
17j
Movement Configuration:
Openface
Hunting: The stem is at the 3:00 position, and the movement is meant to be mounted in a case that has a covering over the face. "Sidewinders" are hunting movements in openface cases." style="box-sizing: border-box; color: rgb(26, 78, 112); text-decoration: none; text-decoration-skip: objects; -webkit-font-smoothing: antialiased;">
Movement Finish:
Nickel
Movement Setting:
Pendant
Plate:
Bridge Plate
Double Roller:
Yes
Hairspring:
Breguet
Adjusted:
Yes
Adjusted # of Positions:
3
Adjusted to Temperature:
Yes
Railroad Grade:
No