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) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 1168520 Question Mark
Grade: Series 7 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 10,000 Question Mark
Grade/Model Run: 3 of 21 Question Mark
Grade/Model Total Production: 182,400 Question Mark
Size: 12s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
Adjusted
17 Jewels
Pat'd '12
Case: Various Question Mark
Run ID: 258.G24.12S50.121912M5.O176.P182.17J128 Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
548.86 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,931.04 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
34.889% Question Mark
Registry Population:
Scoped for This Run Only
18 (0.18%) Question Mark
$ Estimated Value (12 Month Change): 4.03% Analyzing 472 Sales Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 27, 2024

Serial Number 1161788 was reported as accurate.

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

Anonymous · February 1, 2024

Serial Number 1168267 was reported as accurate.

MoatsJustin1 top-contributor 5269 · November 16, 2023

Serial Number 1162432 was reported as accurate.

Anonymous · May 10, 2023

Serial Number 1163674 was reported as accurate.

tubasid Supporter 3 · March 24, 2023

Serial Number 1169319 was reported as accurate.

diamondjoe 27 · February 23, 2023

Serial Number 1168219 was reported as accurate.

Anonymous · March 28, 2022

Serial Number 1169039 was reported as accurate.

Anonymous · March 25, 2022

Serial Number 1169324 was reported as accurate.

Anonymous · September 1, 2021

Serial Number 1169067 was reported as accurate.

MoatsJustin1 top-contributor 5269 · August 3, 2021

Serial Number 1163135 was reported as accurate.

Anonymous · July 9, 2021

Serial Number 1167365 was reported as accurate.

mdmiller99 Supporter 33 · July 6, 2021

Serial Number 1162921 was reported as accurate.

Anonymous · May 20, 2021

Serial Number 1169720 was reported as accurate.

Anonymous · May 12, 2021

Serial Number 1162921 was reported as accurate.

ginia323 9 · May 3, 2021

Serial Number 1167165 was reported as accurate.

ginia323 9 · May 3, 2021

Serial Number 1167165 was reported as accurate.

ginia323 9 · May 2, 2021

Serial Number 1167165 was reported as accurate.

heicke 6 · January 20, 2021

Serial Number 1169839 was reported as accurate.

CJEmpire3 113 · January 2, 2021

Serial Number 1169862 was reported as accurate.

Anonymous · June 2, 2020

Serial Number 1162079 was reported as accurate.

Anonymous · June 1, 2020

Serial Number 1162079 was reported as accurate.

Anonymous · May 11, 2020

Serial Number 1162212 was reported as accurate.

Anonymous · April 27, 2020

Serial Number 1162319 was reported as accurate.

Anonymous · February 25, 2020

Serial Number 1165699 was reported as accurate.

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

Anonymous · January 31, 2020

Serial Number 1169324 was reported as accurate.

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

Anonymous · January 12, 2020

Serial Number 1161815 was reported as accurate.

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

Anonymous · August 27, 2019

Serial Number 1164301 was reported as accurate.

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

Buckeyewatchguy 2 · July 15, 2019

Serial Number 1162147 was reported as accurate.

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

Anonymous · June 18, 2019

Serial Number 1163142 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 · April 29, 2019

Serial Number 1162307 was reported as accurate.

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

bogus22 Supporter 83 · February 26, 2019

Serial Number 1163370 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

bogus22 Supporter 83 · February 22, 2019

Serial Number 1163370 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 · February 20, 2019

Serial Number 1163370 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
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch