Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/988012/movement
Access Date: December 01, 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 7
Manufacturer: | E. Howard Watch Co. (Keystone) | |
Manufacturer Location: | Waltham, Massachusetts | |
Movement Serial Number: | 988012 | |
Grade: | Series 7 | |
Variation: | Stopworks | |
Model: | 1908 | |
Estimated Production Year: | 1908 | |
Run Quantity: | 1,450 | |
Grade/Model Run: | 2 of 20 | |
Grade/Model Total Production: | 52,950 | |
Variant Est. Production: | 9,750 (12S-M1908-17J-ONP-A3PT-STOPWORKS) | |
Size: | 12s | |
Jewels: | 17j | |
Jewel Setting: | Burnished Jewels | |
Movement Configuration: | Openface | |
Movement Finish: | Nickel | |
Finish Pattern: | Paralell | |
Movement Setting: | Pendant | |
Plate: | Bridge Plate | |
Double Roller: | Yes | |
Barrel: | Safety | |
Regulator: | Reed | |
Hairspring: | Breguet | |
Standard Dial Type: | Single-Sunk | |
Adjusted: | Yes | |
Adjusted # of Positions: | 3 | |
Adjusted to Temperature: | Yes | |
Railroad Grade: | No | |
Movement Markings: | E. Howard Watch Co. Boston U.S.A. Adjusted 17 Jewels |
|
Case: | Various | |
Run ID: | 127.G2.12S2.121908M2.O73.P107.17J94 | |
Database Version: | v52.473 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 130.82 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 460.17 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 8.316% | |
Registry Population: Scoped for This Run Only | 10 (0.69%) | |
$ Estimated Value (12 Month Change): | 2.58% Analyzing 414 Sales | |
Research Note: Equipped with Stop-Works. #987535, #988090; "Adjusted" marked on pillar plate, no stopworks.
|
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1908-17J-ONP-A3PT-STOPWORKS
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,350 ETP | ||||
12S: 235,350 98.74% 12s, Grade Series 7 |
Other: 3,000
Other Sizes or Unclassified |
|||
12S-M1908: 52,950 22.22% 12s, Grade Series 7, Model 1908 |
Other: 182,400
Other Models or Unclassified |
|||
12S-M1908-17J: 52,950 22.22% 12s, Grade Series 7, Model 1908, 17 Jewels |
||||
12S-M1908-17J-ONP: 47,450 19.91% 12s, Grade Series 7, Model 1908, 17 Jewels, Openface/Pendant/Nickel |
Other: 5,500
Other Configs or Unclassified |
|||
12S-M1908-17J-ONP-A3PT: 47,450 19.91% | ||||
12S-M1908-17J-ONP-A3PT-STOPWORKS: 9,750 4.09% | Other: 37,700
Other Variants or Unclassified |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 10 watches in the population registry for this run with 8 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.
cjbrem Supporter 926 · May 26, 2024
Serial Number 987953 was reported as accurate.
darkstar 247 · October 20, 2019
Serial Number 987147 was reported as inaccurate.
bridge.....adjusted....17 jewels
cjbrem Supporter 926 · March 14, 2019
Serial Number 988012 was reported as accurate.
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