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: 1054994
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 1,200
Grade/Model Run: 9 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
Barrel: Safety
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 147.G9.12S10.121908M10.O82.P110.17J100
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
59.58
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: 3 (0.25%)
$ Estimated Value (12 Month Change): 2.03% Analyzing 400 Sales
Research Note: Some Equipped with Stop-Works

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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.


Anonymous · May 8, 2023

Serial Number 1054705 was reported as accurate.

Blicquer Supporter 75 · July 10, 2022

Serial Number 1055440 was reported as accurate.

Anonymous · August 5, 2020

Serial Number 1055684 was reported as accurate.

lcprice1 1 · November 3, 2019

Serial Number 1054827 was reported as accurate.

Anonymous · August 3, 2019

Serial Number 1054831 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