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)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1088998
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 3,000
Grade/Model Run: 16 of 21
Grade/Model Total Production: 53,400
Variant Est. Production: 47,400 (12S-M1908-17J-ONP)
Size: 12s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 182.G16.12S29.121908M29.O102.P133.17J107
Database Version: v52.334
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
59.91
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
199.10
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.851%
Registry Population: 5 (0.17%)
$ Estimated Value (12 Month Change): -0.69% Analyzing 401 Sales

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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.


ebsrods Supporter 116 · April 19, 2023

Serial Number 1087507 was reported as accurate.

cmdraven 4006 · January 17, 2022

Serial Number 1088870 was reported as accurate.

Anonymous · August 9, 2021

Serial Number 1087855 was reported as accurate.

Anonymous · July 6, 2021

Serial Number 1088020 was reported as accurate.

Anonymous · January 4, 2021

Serial Number 1087588 was reported as accurate.

Anonymous · December 29, 2020

Serial Number 1090000 was reported as accurate.

Anonymous · January 13, 2020

Serial Number 1087807 was reported as accurate.

cmdraven 4006 · August 20, 2019

Serial Number 1087807 was reported as accurate.

E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch