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 6 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 6

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1219386
Grade: Series 6
Model: 1912
Estimated Production Year: 1913
Run Quantity: 1,000
Grade/Model Run: 4 of 9
Grade/Model Total Production: 13,000
Size: 12s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 272.G12.12S60.121912M15.O173.P176.19J44
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
38.92
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
130.03
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.516%
Registry Population: 1 (0.10%)

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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 75 · December 10, 2021

Serial Number 1219386 was reported as inaccurate.

Note: Estimated date is given as 1913, but the movement
is marked PAT'D '18, so my watch must be later
than that.
Curator Response: The movement is marked "Pat'd '12" and not "Pat'd '18."

Anonymous · January 20, 2020

Serial Number 1219151 was reported as accurate.

Anonymous · February 5, 2019

Serial Number 1219613 was reported as inaccurate.

Note: My Howard is a 12 size but not 17 jewel it is a 19
jewel. Because it is a 19 jewel that may make it
a different model. My Howard is movement SN
1219613.
Changes since this report was submitted:
Grade changed from Series 7 to Series 6
Jewels changed from 17j to 19j
Movement Configuration changed from Openface or Hunting to Openface
Adjusted # Positions changed from 3 to 5
Plate changed from 3/4 to Bridge
E. Howard Watch Co. (Keystone) Grade Series 6 Pocket Watch