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 8 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 8

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1120446
Grade: Series 8
Model: 1908
Estimated Production Year: 1912
Run Quantity: 300
Grade/Model Run: 15 of 16
Grade/Model Total Production: 4,450
Variant Est. Production: 3,265 (12S-M1908-21J-ONP)
Size: 12s
Jewels: 21j
Jewel Setting: Burnished Jewels
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Regulator: Reed
Hairspring: Breguet
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: No
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
Adjusted
21 Jewels
Pat'd '08
Five Positions and Temperature
Special Adjustment
Case: Various
Run ID: 229.G17.12S43.121908M41.O145.P162.21J23
Database Version: v52.391
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.09
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
51.42
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.765%
Registry Population:
Scoped for This Run Only
2 (0.67%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Verification Reports for this Run

There are currently no verifications for this range.

E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch