E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1144619 (Grade Series 10)

Save to My Collection Print Page Find a Mainspring Find a Balance Staff

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1144619

Access Date: April 20, 2024

Due to the lack of existing factory records, our E. Howard Watch Co. (Keystone) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:

E. Howard Watch Co. (Keystone)

Grade: Series 10

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1144619
Grade:	Series 10
Variation:	Ser. 10
Model:	1907
Estimated Production Year:	1912
Run Quantity:	500
Grade/Model Run:	2 of 23
Grade/Model Total Production:	17,800
Variant Est. Production:	15,550 (16S-M1907-21J-ONL)
Size:	16s
Jewels:	21j
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Parallel
Movement Inlay Color:	Black
Movement Setting:	Lever or Pendant
Plate:	Bridge Plate
Bridge Type:	Center
Double Roller:	Yes
Barrel:	Going
Regulator:	Reed
Hairspring:	Breguet
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	No
Dial Feet Locations:	10.7, 24.3, 48.9
Case:	Various
Run ID:	233.G2.16S151.161907M60.O141.L17.21J23
Database Version:	v52.235
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	53.59
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	178.08
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.445%
Registry Population:	2 (0.40%)
$ Estimated Value (12 Month Change):	10.27% Analyzing 171 Sales

Value Guide

What is My Watch Worth?

Have a Question?

Ask the experts in The Pocket Watch Group

Production Metrics Tree: Grade Series 10

Target Profile: 16S-M1907-21J-ONL-A5PTI-SER. 10

E. Howard Watch Co. (Keystone) Grade Series 10 (All Variations): 17,800 ETP
16S: 17,800 100.00% 16s, Grade Series 10
16S-M1907: 17,800 100.00% 16s, Grade Series 10, Model 1907
16S-M1907-21J: 17,800 100.00% 16s, Grade Series 10, Model 1907, 21 Jewels
16S-M1907-21J-ONL: 15,550 87.36% 16s, Grade Series 10, Model 1907, 21 Jewels, Openface/Lever or Pendant/Nickel	Other: 2,250 Other Configs or Unclassified
16S-M1907-21J-ONL-A5PTI: 15,550 87.36%
16S-M1907-21J-ONL-A5PTI-SER. 10: 15,550 87.36%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 2 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account