E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1148958 (Grade Series 10)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1148958

Access Date: May 11, 2025

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:	1148958
Grade:	Series 10
Model:	1907
Estimated Production Year:	Login to View for Free
Run Quantity:	Login to View for Free
Grade/Model Run:	Login to View for Free
Grade/Model Total Production:	Login to View for Free
Variant Est. Production:	Login to View for Free
Size:	16s
Jewels:	21j
Jewel Setting:	Login to View for Free
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Login to View for Free
Movement Inlay Color:	Login to View for Free
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	Bridge Plate
Bridge Type:	Center
Double Roller:	Yes
Barrel:	Going
Regulator:	Login to View for Free
Hairspring:	Login to View for Free
Standard Dial Type:	Login to View for Free
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Login to View for Free
Dial Feet Locations:	Login to View for Free
Movement Markings:	Login to View for Free
Case:	Various
Run ID:	248.G4.16S164.161907M60.O165.L43.21J28
Database Version:	v52.645
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	10 (0.55%)
$ Estimated Value (12 Month Change):	0.99% Analyzing 189 Sales

14 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Finish Pattern, Movement Inlay Color, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, Dial Feet Locations, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 10 watches in the population registry for this run with 3 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Yes

Why Might This Information Be Incorrect?

Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.

Anonymous · October 14, 2023

Serial Number 1149501 was reported as accurate.

Anonymous · January 14, 2023

Serial Number 1149815 was reported as accurate.

Anonymous · January 11, 2023

Serial Number 1149815 was reported as inaccurate.

Note: This one is lever set.

Curator Response: Thanks for the report. The database has been updated accordingly.

Changes since this report was submitted:

Movement Setting changed from Pendant to Lever

Railroad Grade changed from No to Yes

avpalermo Supporter 691 · November 13, 2022

Serial Number 1149796 was reported as inaccurate.

Note: The movement setting for this serial number is
LEVER, NOT Pendant!
Please correct this error in your database,
kindly. Thank you.

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Changes since this report was submitted:

Movement Setting changed from Pendant to Lever

Railroad Grade changed from No to Yes

Anonymous · May 2, 2022

Serial Number 1148043 was reported as accurate.

Anonymous · June 21, 2021

Serial Number 1149501 was reported as inaccurate.

Note: This one is lever set. Probably railroad grade.

Changes since this report was submitted:

Movement Setting changed from Mixed to Lever

Railroad Grade changed from No to Yes

Anonymous · January 29, 2021

Serial Number 1148769 was reported as inaccurate.

No further details were submitted with the report.

Changes since this report was submitted:

Movement Setting changed from Mixed to Lever

Railroad Grade changed from No to Yes

jeromeschley 60 · January 18, 2021

Serial Number 1149602 was reported as accurate.

Changes since this report was submitted:

Movement Setting changed from Mixed to Lever

Railroad Grade changed from No to Yes

dstuartblue 17 · November 23, 2020

Serial Number 1148114 was reported as inaccurate.

Note: lever set, railroad grade

Curator Response: Thanks for the report. This is a mixed run with lever-set and pendant-set movements. The lever-set movements would have qualified for railroad service, as you correctly indicated.

Changes since this report was submitted:

Movement Setting changed from Mixed to Lever

Railroad Grade changed from No to Yes