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: 1061864
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 2,000
Grade/Model Run: 11 of 21
Grade/Model Total Production: 53,400
Variant Est. Production: 47,400 (12S-M1908-17J-ONP)
Size: 12s
Jewels: 17j
Movement Configuration: Openface or Hunting
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: 158.G11.12S17.121908M17.O4.P119.17J102
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
82.79
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
275.18
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.322%
Registry Population: 5 (0.25%)
$ Estimated Value (12 Month Change): 3.47% Analyzing 400 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.


Fifty50 Supporter 324 · April 6, 2024

Serial Number 1061448 was reported as accurate.

pdecesare 6 · January 3, 2023

Serial Number 1062734 was reported as accurate.

Anonymous · January 19, 2022

Serial Number 1061448 was reported as accurate.

MoatsJustin1 top-contributor 4691 · August 3, 2021

Serial Number 1062965 was reported as accurate.

Anonymous · June 12, 2020

Serial Number 1061805 was reported as accurate.

Anonymous · June 7, 2020

Serial Number 1061168 was reported as accurate.

Bluejay 179 · November 9, 2019

Serial Number 1062004 was reported as inaccurate.

Note: Larger than a 12 size. May be a 14. But
certainly smaller than a 16 size. When I was
taking it apart to clean, the movement wouldn't
fit in a 12 size movement holder and a 16 size
movement holder was way to large. Thus, my guess
is a size 14 movement.
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch