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) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 1219386 Question Mark
Grade: Series 6 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 4 of 10 Question Mark
Grade/Model Total Production: 13,000 Question Mark
Size: 12s Question Mark
Jewels: 19j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
19 Jewels
Pat'd '12
Adjustment
Five Positions And Temperature
Case: Various Question Mark
Run ID: 277.G13.12S62.121912M17.O192.P195.19J44 Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
39.14 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
137.61 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.488% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.10%) Question Mark

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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 90 · 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