E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 970379 (Grade Series 5)

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Vintage Series 5 Model 1907 E. Howard Men's 19 Jewell Pocket Watch w/Case (Mint)

Check Price Source: eBay.com

c. 1908 E. HOWARD WATCH CO. RR TYPE SERIES 5 WATCH 19J ADJ. 5 POS. 53MM WORKING

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/970379/link

Access Date: January 18, 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 5

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	970379
Grade:	Series 5
Variation:	Straight Bridge Jeweled Barrel
Model:	1907
Estimated Production Year:	1908
Run Quantity:	500
Grade/Model Run:	1 of 26
Grade/Model Total Production:	16,400
Variant Est. Production:	600 (16S-M1907-19J-ONP)
Size:	16s
Jewels:	19j
Jewel Material:	Ruby & Sapphire
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Paralell
Movement Setting:	Pendant
Plate:	Bridge Plate
Bridge Type:	Center
Double Roller:	Yes
Barrel:	Jeweled Safety
Regulator:	Reed
Hairspring:	Breguet
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Double-Sunk
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
Movement Markings:	E. Howard Watch Co. Boston U.S.A. Adjusted 19 Jewels Series 5 5 Positions Pat'd '08
Case:	Various
Run ID:	106.G1.16S81.161907M6.O60.P95.19J3
Database Version:	v52.560
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	43.97
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	154.56
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	2.792%
Registry Population: Scoped for This Run Only	2 (0.40%)
$ Estimated Value (12 Month Change):	-9.74% Analyzing 97 Sales
Research Note: First Run. 1909 Material Catalog: "The first watch of the 19 Jewel grade is numbered 970001." #970379: Certificate/Box included with most recent patent date referencing January 17, 1911 (Movement Marked "Series 5" and "5 Positions.")

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Production Metrics Tree: Grade Series 5

Target Profile: 16S-M1907-19J-ONP-A5PTI-STRAIGHT BRIDGE JEWELED BARREL

E. Howard Watch Co. (Keystone) Grade Series 5 (All Variations): 16,800 ETP
16S: 16,800 100.00% 16s, Grade Series 5
16S-M1907: 16,400 97.62% 16s, Grade Series 5, Model 1907		Other: 400 Other Models or Unclassified
16S-M1907-19J: 16,400 97.62% 16s, Grade Series 5, Model 1907, 19 Jewels
16S-M1907-19J-ONP: 600 3.57% 16s, Grade Series 5, Model 1907, 19 Jewels, Openface/Pendant/Nickel	Other: 15,800 Other Configs or Unclassified
16S-M1907-19J-ONP-A5PTI: 600 3.57%
16S-M1907-19J-ONP-A5PTI-STRAIGHT BRIDGE JEWELED BARREL: 600 3.57%

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 1 image. 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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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 · May 13, 2022

Serial Number 970015 was reported as inaccurate.

Note: Jewelled mainspring barrel & lever set

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