Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1396449/movement
Access Date: December 22, 2024
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 11
Manufacturer: | E. Howard Watch Co. (Keystone) | |
Manufacturer Location: | Waltham, Massachusetts | |
Movement Serial Number: | 1396449 | |
Grade: | Series 11 | |
Variation: | Arrow.RecoilClick.GeometricDam | |
Model: | E | |
Estimated Production Year: | 1924 | |
Run Quantity: | 600 | |
Grade/Model Run: | 12 of 12 | |
Grade/Model Total Production: | 25,100 | |
Variant Est. Production: | 1,600 (16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM) | |
Size: | 16s | |
Jewels: | 21j | |
Jewel Setting: | Burnished Jewels | |
Movement Configuration: | Openface | |
Movement Finish: | Nickel | |
Finish Pattern: | Geometric Radial | |
Movement Setting: | Lever | |
Plate: | Bridge Plate | |
Regulator: | Micrometric | |
Hairspring: | Breguet | |
Standard Dial Type: | Single-Sunk | |
Adjusted: | Yes | |
Adjusted to Position: | Yes | |
Adjusted # of Positions: | 5 | |
Adjusted to Temperature: | Yes | |
Adjusted to Isochronism: | Yes | |
Railroad Grade: | Yes | |
Railroad Grade Classification: | Class A | |
Movement Markings: | E. Howard Watch Co. Boston U.S.A. Railroad Chronometer Series 11 [Star in Arrow] 21 Jewels R.R. Adjustment Temperature Five Positions Pat'd '08 |
|
Case: | Various | |
Run ID: | 325.G12.16S205.M12.O237.L74.21J56 | |
Database Version: | v52.518 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 75.57 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 265.78 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 4.801% | |
Registry Population: Scoped for This Run Only | 5 (0.83%) | |
$ Estimated Value (12 Month Change): | -1.43% Analyzing 208 Sales |
Production Metrics Tree: Grade Series 11
Target Profile: 16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM
E. Howard Watch Co. (Keystone) Grade Series 11 (All Variations): 25,100 ETP | |
16S: 25,100 100.00% 16s, Grade Series 11 |
|
16S-ME: 25,100 100.00% 16s, Grade Series 11, Model E |
|
16S-ME-21J: 25,100 100.00% 16s, Grade Series 11, Model E, 21 Jewels |
|
16S-ME-21J-ONL: 25,100 100.00% 16s, Grade Series 11, Model E, 21 Jewels, Openface/Lever/Nickel |
|
16S-ME-21J-ONL-A5PTI: 25,100 100.00% | |
16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM: 1,600 6.37% | Other: 23,500
Other Variants or Unclassified |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 5 watches in the population registry for this run with 3 images.
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Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
jrussell2002 105 · November 7, 2024
Serial Number 1396435 was reported as accurate.
ChrisG Top Contributor Supporter 605 · March 25, 2024
Serial Number 1396449 was reported as accurate.
cmdraven 4083 · August 18, 2021
Serial Number 1396326 was reported as accurate.
bunnofnickle 67 · July 2, 2020
Serial Number 1396098 was reported as accurate.
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