E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 923514 (Grade Series 3)

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

Similar Watches For Sale

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

ANTIQUE 16s E HOWARD SERIES 3 17 JEWEL POCKET WATCH

Check Price Source: eBay.com

Antique Pocket Watch Howard - Series 3 - Year 1906 - 16s Running

Check Price Source: eBay.com

1909 Howard Series 3 16s 17J Pocket Watch - Runs great

Check Price Source: eBay.com

1906 Howard Series 3 17 Jewel GF Pocket Watch

Check Price Source: eBay.com

Antique 16s 1907 E Howard 17 Jewel Mechanical Pocket Watch Series 3 25 Year GF

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/923514

Access Date: May 10, 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 3

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	923514
Grade:	Series 3
Model:	1905
Estimated Production Year:	Login to View
Run Quantity:	Login to View
Grade/Model Run:	Login to View
Grade/Model Total Production:	Login to View
Variant Est. Production:	Login to View
Size:	16s
Jewels:	17j
Jewel Material:	Login to View
Jewel Setting:	Login to View
Movement Configuration:	Hunting
Movement Finish:	Nickel
Finish Pattern:	Login to View
Movement Setting:	Pendant
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Regulator:	Login to View
Hairspring:	Login to View
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Login to View
Adjusted:	Login to View
Adjusted to Position:	Login to View
Adjusted # of Positions:	Login to View
Adjusted to Temperature:	Login to View
Adjusted to Isochronism:	Login to View
U.S. Patents:	Login to View
Dial Feet Locations:	Login to View
Movement Markings:	Login to View
Case:	Various
Run ID:	56.G20.16S31.161905M30.H14.P46.17J34
Database Version:	v52.645
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	100 (1.67%)
Research Note: A few have been reported as openface.

19 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 Material, Jewel Setting, Finish Pattern, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, U.S. Patents, Dial Feet Locations, Movement Markings

Create a Free Account Login

What is your watch really worth?

Access our value guide for current estimated values and price history.

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 100 watches in the population registry for this run with 5 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.