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Movement Specs Production Pop. Registry 7 Value For Sale Save to My Collection Print Page Find a Mainspring Find a Balance Staff
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1135491
Access Date: December 27, 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: 1135491 Question Mark
Grade: Series 7 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 6,000 Question Mark
Grade/Model Run: 19 of 20 Question Mark
Grade/Model Total Production: 53,450 Question Mark
Variant Est. Production: 47,950 (12S-M1908-17J-ONP) 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
Case: Various Question Mark
Run ID: 233.G20.12S46.121908M44.O153.P170.17J121 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 132.32 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 465.47 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 8.406% Question Mark
Registry Population:
Scoped for This Run Only		7 (0.12%) Question Mark
$ Estimated Value (12 Month Change): 5.92% Analyzing 420 Sales Question Mark
Value Guide
What is My Watch Worth?
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Production Metrics Tree: Grade Series 7

Target Profile: 12S-M1908-17J-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-M1908: 53,450 22.38%
12s, Grade Series 7, Model 1908		 Other: 182,400
Other Models or Unclassified
12S-M1908-17J: 53,450 22.38%
12s, Grade Series 7, Model 1908, 17 Jewels
12S-M1908-17J-ONP: 47,950 20.08%
12s, Grade Series 7, Model 1908, 17 Jewels, Openface/Pendant/Nickel 		Other: 5,500
Other Configs or Unclassified
12S-M1908-17J-ONP-A3PT: 47,950 20.08%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 7 watches in the population registry for this run with 4 images.
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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.

Blicquer Supporter 90 · November 26, 2023

Serial Number 1133978 was reported as accurate.

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

MoatsJustin1 top-contributor 5272 · November 16, 2023

Serial Number 1133212 was reported as accurate.

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

Anonymous · August 31, 2023

Serial Number 1132676 was reported as accurate.

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

Anonymous · December 21, 2022

Serial Number 1135978 was reported as accurate.

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

Anonymous · September 18, 2022

Serial Number 1132399 was reported as accurate.

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

Anonymous · September 3, 2022

Serial Number 1131958 was reported as accurate.

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

Anonymous · March 25, 2022

Serial Number 1133544 was reported as accurate.

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

Anonymous · February 2, 2022

Serial Number 1133544 was reported as accurate.

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

Timsta1960 2 · November 13, 2021

Serial Number 1131869 was reported as accurate.

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

Anonymous · September 19, 2021

Serial Number 1133132 was reported as accurate.

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

Anonymous · June 1, 2021

Serial Number 1133662 was reported as accurate.

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

Anonymous · March 16, 2021

Serial Number 1134046 was reported as inaccurate.

Note: For SN: 1134046 the O.D. is ~41mm so the size
could be updated to: 16s. This is based on a
measurement of the actual movement I just
purchased. Thank you. Steve Burns -
burnsie2000_200 *****@yahoo.com
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · March 8, 2021

Serial Number 1133132 was reported as accurate.

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

Anonymous · January 9, 2021

Serial Number 1132197 was reported as accurate.

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

JointVenture Supporter 138 · December 19, 2020

Serial Number 1130530 was reported as accurate.

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

Anonymous · November 15, 2020

Serial Number 1130968 was reported as accurate.

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

Stevanio 19 · August 23, 2020

Serial Number 1135855 was reported as accurate.

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

Anonymous · August 12, 2020

Serial Number 1132895 was reported as accurate.

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

Anonymous · June 27, 2020

Serial Number 1131945 was reported as accurate.

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

Anonymous · February 2, 2020

Serial Number 1130396 was reported as accurate.

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

Anonymous · January 4, 2020

Serial Number 1131206 was reported as accurate.

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

Anonymous · January 2, 2020

Serial Number 1134646 was reported as accurate.

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

Anonymous · January 2, 2020

Serial Number 1134646 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · September 22, 2019

Serial Number 1133924 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 1135323 was reported as accurate.

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

Anonymous · June 10, 2019

Serial Number 1135278 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

cmdraven 4083 · May 7, 2019

Serial Number 1132952 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 9, 2019

Serial Number 1130472 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 16, 2019

Serial Number 1131559 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 · January 26, 2019

Serial Number 1135093 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 · January 26, 2019

Serial Number 1135093 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 · October 12, 2018

Serial Number 1130072 was reported as accurate.

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

Anonymous · September 29, 2018

Serial Number 1133643 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