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: 1256402 Question Mark
Grade: Series 7 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1914 Question Mark
Run Quantity: 13,000 Question Mark
Grade/Model Run: 12 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.
17 Jewels
Adjustment
Temperature
3 Pos.
Pat'd '12
Case: Various Question Mark
Run ID: 291.G33.12S71.121912M26.O205.P205.17J137 Question Mark
Database Version: v52.470 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
14 (0.11%) Question Mark
$ Estimated Value (12 Month Change): 2.68% Analyzing 474 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.


MoatsJustin1 top-contributor 5269 · November 16, 2023

Serial Number 1255699 was reported as accurate.

shortjoe 12 · May 15, 2022

Serial Number 1252599 was reported as accurate.

Anonymous · May 15, 2022

Serial Number 1252599 was reported as accurate.

okiejohn 387 · December 10, 2021

Serial Number 1256004 was reported as accurate.

Rcardkidz 4083 · August 15, 2021

Serial Number 1255249 was reported as accurate.

Anonymous · July 22, 2021

Serial Number 1256425 was reported as accurate.

TerryfromCanada Supporter 486 · March 17, 2021

Serial Number 1252057 was reported as accurate.

Anonymous · February 23, 2021

Serial Number 1254743 was reported as accurate.

Anonymous · September 18, 2020

Serial Number 1250459 was reported as accurate.

snellingt Supporter 32 · August 21, 2020

Serial Number 1254213 was reported as accurate.

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

Anonymous · August 11, 2020

Serial Number 1247840 was reported as accurate.

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

Anonymous · July 19, 2020

Serial Number 1251788 was reported as accurate.

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

Anonymous · May 31, 2020

Serial Number 1253137 was reported as accurate.

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

KBean001 34 · May 28, 2020

Serial Number 1250259 was reported as accurate.

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

KBean001 34 · May 28, 2020

Serial Number 1250259 was reported as accurate.

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

Anonymous · May 16, 2020

Serial Number 1250259 was reported as accurate.

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

cmdraven 4083 · April 19, 2020

Serial Number 1249505 was reported as accurate.

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

Anonymous · April 12, 2020

Serial Number 1257400 was reported as accurate.

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

Anonymous · April 7, 2020

Serial Number 1248990 was reported as accurate.

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

Anonymous · March 26, 2020

Serial Number 1257400 was reported as accurate.

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

Walter 63 · February 20, 2020

Serial Number 1255564 was reported as accurate.

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

Anonymous · September 21, 2019

Serial Number 1249185 was reported as accurate.

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

Anonymous · August 30, 2019

Serial Number 1258177 was reported as accurate.

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

Anonymous · June 23, 2019

Serial Number 1259408 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 14, 2019

Serial Number 1259007 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 1250513 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 · September 23, 2018

Serial Number 1248900 was reported as accurate.

Changes since this report was submitted:
Grade changed from ? to Series 7
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch