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: 1082841
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 4,000
Grade/Model Run: 15 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
Barrel: Safety
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 179.G15.12S28.121908M28.O6.P132.17J106
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
82.33
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: 8 (0.20%)
$ Estimated Value (12 Month Change): 2.03% 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.


MoatsJustin1 top-contributor 4691 · November 1, 2023

Serial Number 1082159 was reported as accurate.

TrueBlueKanagroo 1 · September 1, 2023

Serial Number 1083953 was reported as accurate.

MoatsJustin1 top-contributor 4691 · July 24, 2022

Serial Number 1081272 was reported as accurate.

TheTarrMan 20 · July 2, 2022

Serial Number 1081846 was reported as accurate.

Anonymous · October 8, 2021

Serial Number 1082699 was reported as accurate.

Anonymous · May 15, 2021

Serial Number 1083570 was reported as accurate.

Anonymous · January 9, 2021

Serial Number 1080722 was reported as accurate.

Anonymous · November 27, 2020

Serial Number 1083678 was reported as accurate.

Anonymous · November 10, 2020

Serial Number 1082910 was reported as accurate.

Anonymous · May 2, 2020

Serial Number 1081590 was reported as accurate.

Anonymous · May 2, 2020

Serial Number 1081690 was reported as accurate.

Anonymous · March 23, 2020

Serial Number 1082334 was reported as accurate.

Anonymous · January 23, 2020

Serial Number 1083861 was reported as accurate.

Anonymous · January 19, 2020

Serial Number 1083065 was reported as accurate.

Anonymous · November 9, 2019

Serial Number 1082067 was reported as accurate.

Anonymous · August 26, 2019

Serial Number 1080365 was reported as accurate.

Anonymous · May 7, 2019

Serial Number 1080973 was reported as accurate.

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

Anonymous · November 27, 2018

Serial Number 1082071 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Openface or Hunting
Plate changed from 3/4 to Bridge
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch