E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1262330 (Grade Series 11)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1262330/movement

Access Date: April 30, 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 11

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1262330
Grade:	Series 11
Variation:	Members Only Data
Model:	E
Estimated Production Year:	Members Only Data
Run Quantity:	Members Only Data
Grade/Model Run:	Members Only Data
Grade/Model Total Production:	Members Only Data
Variant Est. Production:	Members Only Data
Size:	16s
Jewels:	21j
Jewel Setting:	Members Only Data
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	Bridge Plate
Double Roller:	Yes
Regulator:	Members Only Data
Hairspring:	Members Only Data
Standard Dial Type:	Members Only Data
Adjusted:	Members Only Data
Adjusted to Position:	Members Only Data
Adjusted # of Positions:	Members Only Data
Adjusted to Temperature:	Members Only Data
Adjusted to Isochronism:	Members Only Data
Railroad Grade:	Members Only Data
Railroad Grade Classification:	Members Only Data
Movement Markings:	Members Only Data
Case:	Various
Run ID:	296.G3.16S186.M3.O209.L59.21J45
Database Version:	v52.642
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	31 (0.62%)
$ Estimated Value (12 Month Change):	-3.17% Analyzing 218 Sales
Research Note: #1260675: Reported with Single Roller

18 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Variation, Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Railroad Grade Classification, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 31 watches in the population registry for this run with 7 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:

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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.

PHIL1199 Supporter 1251 · September 6, 2024

Serial Number 1263156 was reported as accurate.

Anonymous · May 8, 2024

Serial Number 1264532 was reported as accurate.

ebsrods Supporter 131 · February 14, 2024

Serial Number 1260620 was reported as accurate.

MoatsJustin1 top-contributor 5435 · December 14, 2023

Serial Number 1264775 was reported as accurate.

Rcardkidz 4453 · April 8, 2023

Serial Number 1262775 was reported as accurate.

Anonymous · January 14, 2023

Serial Number 1262571 was reported as accurate.

cmdraven 4122 · August 16, 2022

Serial Number 1261864 was reported as accurate.

Anonymous · July 28, 2022

Serial Number 1263748 was reported as accurate.

Blicquer Supporter 91 · July 10, 2022

Serial Number 1263650 was reported as accurate.

Anonymous · March 25, 2022

Serial Number 1263662 was reported as accurate.

Anonymous · November 3, 2021

Serial Number 1262835 was reported as accurate.

10mikemikes 25 · July 6, 2021

Serial Number 1261382 was reported as accurate.

Anonymous · June 11, 2021

Serial Number 1260042 was reported as accurate.

rmwatchandclock Supporter 384 · June 2, 2021

Serial Number 1263349 was reported as accurate.

Anonymous · April 14, 2021

Serial Number 1260644 was reported as inaccurate.

Note: My E Howard railroad chronometer pocket watch is
made in Boston .Everything else seems the same,21
jewels,5 temp adjustments,series 11. Has Name
engraved in case G.W.Cook 1920

Curator Response: Thanks for the report. While the movement is marked "Boston," the E. Howard factory was located in Waltham, Massachusetts.