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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1191486
Access Date: December 21, 2024

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: 1191486 Question Mark
Grade: Series 7 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 6 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
Three Positions
Pat'd '12
Case: Various Question Mark
Run ID: 270.G27.12S55.121912M10.O185.P188.17J131 Question Mark
Database Version: v52.517 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		5 (0.17%) Question Mark
$ Estimated Value (12 Month Change): 4.73% Analyzing 484 Sales Question Mark
Value Guide
What is My Watch Worth?
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Production Metrics Tree: Grade Series 7

Target Profile: 12S-M1912-17J-ONP-A3PT

E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,850 ETP
12S: 235,850 98.74%
12s, Grade Series 7		 Other: 3,000
Other Sizes or Unclassified
12S-M1912: 182,400 76.37%
12s, Grade Series 7, Model 1912		 Other: 53,450
Other Models or Unclassified
12S-M1912-17J: 182,400 76.37%
12s, Grade Series 7, Model 1912, 17 Jewels
12S-M1912-17J-ONP: 182,400 76.37%
12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel
12S-M1912-17J-ONP-A3PT: 182,400 76.37%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 5 watches in the population registry for this run with 1 image.
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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.

MoatsJustin1 top-contributor 5272 · November 2, 2023

Serial Number 1191855 was reported as accurate.

Anonymous · October 25, 2023

Serial Number 1190395 was reported as accurate.

Anonymous · July 29, 2022

Serial Number 1191275 was reported as accurate.

cmdraven 4083 · March 13, 2022

Serial Number 1190581 was reported as accurate.

Anonymous · December 22, 2020

Serial Number 1191704 was reported as accurate.

Anonymous · November 6, 2019

Serial Number 1190304 was reported as accurate.

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

Anonymous · November 5, 2019

Serial Number 1191686 was reported as accurate.

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

Anonymous · February 4, 2019

Serial Number 1191915 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from ? to Series 7
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch