E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 984761 (Grade Series 9)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/984761/movement

Access Date: April 29, 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 9

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	984761
Grade:	Series 9
Model:	1905
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:	17j
Jewel Setting:	Members Only Data
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Members Only Data
Movement Setting:	Pendant
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Double Roller:	Yes
Regulator:	Members Only Data
Hairspring:	Members Only Data
Standard Dial Type:	Members Only Data
Adjusted:	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
U.S. Patents:	Members Only Data
Dial Feet Locations:	Members Only Data
Movement Markings:	Members Only Data
Case:	Various
Run ID:	128.G7.16S102.161905M89.O73.P107.17J94
Database Version:	v52.642
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	71 (2.03%)
Research Note: #983716: Reported with certificate indicating adjustment to 3 positions.

18 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, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, U.S. Patents, 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 71 watches in the population registry for this run with 6 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.

Anonymous · January 25, 2025

Serial Number 985038 was reported as accurate.

us0204 Supporter 39 · July 20, 2024

Serial Number 985038 was reported as accurate.

us0204 Supporter 39 · May 23, 2024

Serial Number 985038 was reported as accurate.

Anonymous · March 23, 2024

Serial Number 985526 was reported as accurate.

Anonymous · January 16, 2024

Serial Number 983726 was reported as accurate.

Anonymous · January 30, 2023

Serial Number 986750 was reported as accurate.

texnet 684 · November 2, 2021

Serial Number 983586 was reported as accurate.

Faberius Supporter 6 · June 27, 2021

Serial Number 984075 was reported as accurate.

nicnic Supporter 416 · May 14, 2021

Serial Number 985076 was reported as accurate.

Anonymous · January 22, 2021

Serial Number 984267 was reported as accurate.

Anonymous · July 28, 2020

Serial Number 985673 was reported as accurate.

Joef21 162 · June 22, 2020

Serial Number 985655 was reported as accurate.

Swoop7 23 · March 26, 2020

Serial Number 983788 was reported as accurate.

Swoop7 23 · March 26, 2020

Serial Number 983788 was reported as accurate.

Anonymous · December 9, 2019

Serial Number 983716 was reported as inaccurate.

Note: This movement , SN 983,716, is currently on EBAY
with the original license indicating that it is
adjusted to 3 positions.
How did you arrive at a SN cutoff for series
4 's and 9's? Should this be modified?, But how.
unless you have factory records.
It is possible that in the transition from 4
to 9, they began to used a 3 position balance
wheel (gold meantime and bras weighting screws
)rather than a 5 position balance wheel which had
all gold screws.
This remains a big mystery

Curator Response: Thanks for the report. As indicated above the lookup table, the database is compiled from known observations. Factory catalogs and other original sources support that the Series 4 was adjusted to 5 positions while the Series 9 was adjusted to 3 positions. One visual modification between these two grades is the change to brass balance weight screws instead of gold. There is certainly a mixture of runs as the company introduced these modifications, possibly to fulfill orders properly for the "legacy" Series 4 grade. Thus, it is always important to closely inspect the movement to determine the grade within the transitional period.

Anonymous · November 5, 2019

Serial Number 985549 was reported as accurate.

Anonymous · October 23, 2019

Serial Number 983716 was reported as inaccurate.

Note: The original license describes this as a 3
position watch. The data base lists it as a 5
position watch. It is possible that during the
transition from series 4 to 9, some later series
4's may have been produced as 3 position movements

Curator Response: Thanks for the report and information. This is exactly where production transitions from the Series 4 to the Series 9. Your information has allowed for further refinement on the estimated split between the Series 4 and Series 9 run, and the database has been updated accordingly.

Changes since this report was submitted:

Grade changed from Series 4 to Series 9

Movement Setting changed from Mixed to Pendant

Adjusted # Positions changed from 5 to 3

darkstar 247 · October 20, 2019

Serial Number 985556 was reported as accurate.

Anonymous · June 7, 2019

Serial Number 983625 was reported as inaccurate.

Note: As shown on EBAY the movement has the
checkerboard damaskeening characteristic of this
series 4. It is shown with a 24 hour Canadian
style Montgomery dial. It is marked Adj. 5 pos,
but also marked No.2. Presumably used for RR
service, there is no indication whether it is
pendant or lever set, but most likely the latter.
If so this movement qualifies for RR service. The
question remains , concerning the use of the term,
No.2

Curator Response: Thanks for the report. Please provide a link to the auction page or the item number for further evaluation.

Changes since this report was submitted:

Grade changed from Series 4 to Series 9

Movement Setting changed from Mixed to Pendant

Adjusted # Positions changed from 5 to 3