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: 996094
Grade: Series 7
Variation: Stopworks
Model: 1908
Estimated Production Year: 1908
Run Quantity: 5,500
Grade/Model Run: 4 of 21
Grade/Model Total Production: 50,950
Variant Est. Production: 7,250 (12S-M1908-17J-ONP-A3PT-STOPWORKS)
Size: 12s
Jewels: 17j
Jewel Setting: Burnished Jewels
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Paralell
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Regulator: Reed
Hairspring: Breguet
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
Adjusted
17 Jewels
Case: Various
Run ID: 134.G4.12S4.121908M4.O76.P110.17J100
Database Version: v52.400
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
121.78
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
479.15
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.115%
Registry Population:
Scoped for This Run Only
12 (0.22%)
$ Estimated Value (12 Month Change): -3.27% Analyzing 406 Sales
Research Note: 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 996666 was reported as accurate.

Fifty50 Supporter 350 · June 3, 2023

Serial Number 998999 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · April 30, 2022

Serial Number 995921 was reported as inaccurate.

Note: Mine has 19 jewels instead of 17
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · March 13, 2022

Serial Number 998746 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

HerbertTrw Supporter 143 · March 8, 2022

Serial Number 998338 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · May 14, 2021

Serial Number 998340 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Faberius Supporter 6 · April 5, 2021

Serial Number 997347 was reported as accurate.

Anonymous · September 1, 2020

Serial Number 999299 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · March 21, 2020

Serial Number 997473 was reported as accurate.

Anonymous · March 15, 2020

Serial Number 997473 was reported as accurate.

Anonymous · March 9, 2020

Serial Number 999272 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · February 29, 2020

Serial Number 994089 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · February 22, 2020

Serial Number 999416 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · January 13, 2020

Serial Number 994808 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · October 20, 2019

Serial Number 997977 was reported as inaccurate.

Note: 19 jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

fweepa 29 · May 3, 2019

Serial Number 998799 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · May 3, 2019

Serial Number 998799 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Plate changed from 3/4 to Bridge

Automatic 254 · April 20, 2019

Serial Number 996668 was reported as accurate.

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

Anonymous · March 15, 2019

Serial Number 996197 was reported as accurate.

Changes since this report was submitted:
Grade changed from ? to Series 7

Anonymous · March 11, 2019

Serial Number 999224 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Plate changed from 3/4 to Bridge

Ashraf 149 · January 29, 2019

Serial Number 996649 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch