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: 1203493 Question Mark
Grade: Series 7 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 11,000 Question Mark
Grade/Model Run: 7 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: 271.G28.12S56.121912M11.O186.P189.17J132 Question Mark
Database Version: v52.483 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
12 (0.11%) Question Mark
$ Estimated Value (12 Month Change): 4.05% Analyzing 480 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.


Blicquer Supporter 90 · July 10, 2022

Serial Number 1196335 was reported as accurate.

Kurlander Supporter 25 · June 7, 2022

Serial Number 1199506 was reported as accurate.

Anonymous · February 9, 2022

Serial Number 1203971 was reported as accurate.

Anonymous · September 9, 2021

Serial Number 1202384 was reported as accurate.

Anonymous · June 16, 2021

Serial Number 1197846 was reported as accurate.

Anonymous · May 18, 2021

Serial Number 1193158 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · May 17, 2021

Serial Number 1197724 was reported as accurate.

Anonymous · April 27, 2021

Serial Number 1193466 was reported as accurate.

Anonymous · February 27, 2021

Serial Number 1203981 was reported as accurate.

Automatic 254 · January 30, 2021

Serial Number 1203977 was reported as accurate.

Automatic 254 · January 12, 2021

Serial Number 1203977 was reported as accurate.

Automatic 254 · November 27, 2020

Serial Number 1201184 was reported as accurate.

Anonymous · October 22, 2020

Serial Number 1195053 was reported as accurate.

Anonymous · August 9, 2020

Serial Number 1202676 was reported as accurate.

Anonymous · July 24, 2020

Serial Number 1200053 was reported as accurate.

Anonymous · May 31, 2020

Serial Number 1193313 was reported as accurate.

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

Anonymous · May 21, 2020

Serial Number 1193836 was reported as accurate.

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

Anonymous · April 28, 2020

Serial Number 1193446 was reported as accurate.

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

Anonymous · April 15, 2020

Serial Number 1196363 was reported as accurate.

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

Anonymous · March 9, 2020

Serial Number 1202753 was reported as accurate.

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

Anonymous · March 5, 2020

Serial Number 1203324 was reported as accurate.

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

Anonymous · February 13, 2020

Serial Number 1193241 was reported as accurate.

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

cpsals 1 · January 31, 2020

Serial Number 1196371 was reported as accurate.

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

Anonymous · December 16, 2019

Serial Number 1195305 was reported as accurate.

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

Anonymous · December 9, 2019

Serial Number 1199344 was reported as accurate.

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

Anonymous · May 27, 2019

Serial Number 1194372 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 25, 2019

Serial Number 1194883 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

bubba70 543 · December 24, 2018

Serial Number 1198241 was reported as accurate.

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

golddude 10 · December 12, 2018

Serial Number 1200621 was reported as accurate.

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

Anonymous · December 12, 2018

Serial Number 1200621 was reported as accurate.

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

dsmith168 6 · December 10, 2018

Serial Number 1202858 was reported as accurate.

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

Anonymous · October 23, 2018

Serial Number 1195216 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