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: 1174585 Question Mark
Grade: Series 7 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 8,000 Question Mark
Grade/Model Run: 5 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: 265.G26.12S54.121912M9.O182.P187.17J130 Question Mark
Database Version: v52.504 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
34.866% Question Mark
Registry Population:
Scoped for This Run Only
14 (0.18%) Question Mark
$ Estimated Value (12 Month Change): 3.38% Analyzing 481 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.


LeonOmbrello 1 · December 6, 2023

Serial Number 1176337 was reported as accurate.

MoatsJustin1 top-contributor 5269 · November 16, 2023

Serial Number 1174284 was reported as accurate.

Anonymous · March 10, 2023

Serial Number 1179181 was reported as accurate.

ChrisG Top Contributor Supporter 605 · March 7, 2023

Serial Number 1180533 was reported as inaccurate.

Note: eBay item number:295369362086
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Missing Data to Series 7

Anonymous · October 7, 2022

Serial Number 1173362 was reported as accurate.

mcopper 55 · July 22, 2021

Serial Number 1179246 was reported as accurate.

mcopper 55 · July 14, 2021

Serial Number 1179187 was reported as accurate.

ebsrods Supporter 130 · July 3, 2021

Serial Number 1179187 was reported as accurate.

Anonymous · February 23, 2021

Serial Number 1176620 was reported as accurate.

Anonymous · January 16, 2021

Serial Number 1179572 was reported as accurate.

2mnyboxers Supporter 408 · September 18, 2020

Serial Number 1178711 was reported as accurate.

Anonymous · August 31, 2020

Serial Number 1178689 was reported as accurate.

Anonymous · March 7, 2020

Serial Number 1174264 was reported as accurate.

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

okiejohn 392 · February 6, 2020

Serial Number 1178487 was reported as accurate.

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

Harlton Supporter 98 · January 26, 2020

Serial Number 1178351 was reported as accurate.

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

Snapper Supporter 147 · January 5, 2020

Serial Number 1175413 was reported as accurate.

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

Anonymous · January 1, 2020

Serial Number 1176722 was reported as accurate.

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

Anonymous · July 27, 2019

Serial Number 1174047 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 18, 2019

Serial Number 1175571 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 5, 2019

Serial Number 1176145 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 · March 10, 2019

Serial Number 1180717 was reported as accurate.

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

bubba70 543 · January 4, 2019

Serial Number 1176279 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