Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1120111/link
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1120111/link
Access Date: March 28, 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 8
Manufacturer: | E. Howard Watch Co. (Keystone) | |
Manufacturer Location: | Waltham, Massachusetts | |
Movement Serial Number: | 1120111 | |
Grade: | Series 8 | |
Model: | 1908 | |
Estimated Production Year: | 1912 | |
Run Quantity: | 200 | |
Grade/Model Run: | 14 of 16 | |
Grade/Model Total Production: | 4,950 | |
Variant Est. Production: | 885 (12S-M1908-23J-ONP) | |
Size: | 12s | |
Jewels: | 23j | |
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: | 216.G15.12S41.121908M40.O130.P146.23J25 | |
Database Version: | v52.219 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 13.02 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 43.44 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.842% | |
Registry Population: | 1 (0.50%) |
Production Metrics Tree: Grade Series 8
Target Profile: 12S-M1908-23J-ONP-A5PT
E. Howard Watch Co. (Keystone) Grade Series 8 (All Variations): 13,400 ETP | |||||
12S: 13,400 100.00% 12s, Grade Series 8 |
|||||
12S-M1908: 4,950 36.94% 12s, Grade Series 8, Model 1908 |
Other: 8,450
Other Models or Unclassified |
||||
12S-M1908-23J: 1,385 10.34% 12s, Grade Series 8, Model 1908, 23 Jewels |
Other: 3,565
Other Jewels or Unclassified |
||||
12S-M1908-23J-ONP: 885 6.60% 12s, Grade Series 8, Model 1908, 23 Jewels, Openface/Pendant/Nickel |
Other: 500
Other Configs or Unclassified |
||||
12S-M1908-23J-ONP-A5PT: 885 6.60% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There is 1 watch in the population registry for this run with 1 image.
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