Pocket Watch Database

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 7 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 7

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1070004
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 2,500
Grade/Model Run: 13 of 21
Grade/Model Total Production: 53,400
Variant Est. Production: 47,400 (12S-M1908-17J-ONP)
Size: 12s
Jewels: 17j
Movement Configuration: Openface or Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Barrel: Safety
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 168.G13.12S24.121908M24.O5.P126.17J104
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
82.79
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
275.18
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.322%
Registry Population: 6 (0.24%)
$ Estimated Value (12 Month Change): 3.47% Analyzing 400 Sales
Research Note: Some Equipped with Stop-Works

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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 · August 9, 2023

Serial Number 1069630 was reported as accurate.

Anonymous · July 11, 2022

Serial Number 1068082 was reported as accurate.

Anonymous · April 5, 2022

Serial Number 1068720 was reported as accurate.

Anonymous · February 7, 2022

Serial Number 1068015 was reported as accurate.

Anonymous · November 8, 2021

Serial Number 1068946 was reported as accurate.

Anonymous · September 21, 2021

Serial Number 1069750 was reported as accurate.

billreid 141 · September 7, 2021

Serial Number 1070458 was reported as accurate.

Anonymous · December 18, 2020

Serial Number 1068906 was reported as accurate.

bwcrtime 188 · December 7, 2020

Serial Number 1070292 was reported as accurate.

Anonymous · October 5, 2020

Serial Number 1068580 was reported as accurate.

Anonymous · August 24, 2020

Serial Number 1070220 was reported as accurate.

Anonymous · January 13, 2020

Serial Number 1070073 was reported as accurate.

Snapper Supporter 130 · December 9, 2019

Serial Number 1069845 was reported as accurate.

okiejohn 379 · November 7, 2019

Serial Number 1070180 was reported as accurate.

Anonymous · September 14, 2019

Serial Number 1070489 was reported as inaccurate.

Note: marked 17 jewels
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Series 8 to Series 7
Jewels changed from 21j to 17j
Movement Configuration changed from Openface to Openface or Hunting
Adjusted # Positions changed from 5 to 3

Anonymous · July 30, 2019

Serial Number 1069015 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 22, 2019

Serial Number 1068244 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch