Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1135384/movement
Access Date: December 14, 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: | 1135384 | |
Grade: | Series 7 | |
Model: | 1908 | |
Estimated Production Year: | 1912 | |
Run Quantity: | 6,000 | |
Grade/Model Run: | 19 of 20 | |
Grade/Model Total Production: | 53,450 | |
Variant Est. Production: | 47,950 (12S-M1908-17J-ONP) | |
Size: | 12s | |
Jewels: | 17j | |
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: | 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: | 233.G20.12S46.121908M44.O153.P170.17J121 | |
Database Version: | v52.508 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 132.32 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 465.47 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 8.406% | |
Registry Population: Scoped for This Run Only | 7 (0.12%) | |
$ Estimated Value (12 Month Change): | 5.92% Analyzing 417 Sales |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1908-17J-ONP-A3PT
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,850 ETP | |||
12S: 235,850 98.74% 12s, Grade Series 7 |
Other: 3,000
Other Sizes or Unclassified |
||
12S-M1908: 53,450 22.38% 12s, Grade Series 7, Model 1908 |
Other: 182,400
Other Models or Unclassified |
||
12S-M1908-17J: 53,450 22.38% 12s, Grade Series 7, Model 1908, 17 Jewels |
|||
12S-M1908-17J-ONP: 47,950 20.08% 12s, Grade Series 7, Model 1908, 17 Jewels, Openface/Pendant/Nickel |
Other: 5,500
Other Configs or Unclassified |
||
12S-M1908-17J-ONP-A3PT: 47,950 20.08% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 7 watches in the population registry for this run with 4 images.
|
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.
Blicquer Supporter 90 · November 26, 2023
Serial Number 1133978 was reported as accurate.
MoatsJustin1 top-contributor 5272 · November 16, 2023
Serial Number 1133212 was reported as accurate.
Anonymous · August 31, 2023
Serial Number 1132676 was reported as accurate.
Anonymous · December 21, 2022
Serial Number 1135978 was reported as accurate.
Anonymous · September 18, 2022
Serial Number 1132399 was reported as accurate.
Anonymous · September 3, 2022
Serial Number 1131958 was reported as accurate.
Anonymous · March 25, 2022
Serial Number 1133544 was reported as accurate.
Anonymous · February 2, 2022
Serial Number 1133544 was reported as accurate.
Timsta1960 2 · November 13, 2021
Serial Number 1131869 was reported as accurate.
Anonymous · September 19, 2021
Serial Number 1133132 was reported as accurate.
Anonymous · June 1, 2021
Serial Number 1133662 was reported as accurate.
Anonymous · March 16, 2021
Serial Number 1134046 was reported as inaccurate.
could be updated to: 16s. This is based on a
measurement of the actual movement I just
purchased. Thank you. Steve Burns -
burnsie2000_200 *****@yahoo.com
Anonymous · March 8, 2021
Serial Number 1133132 was reported as accurate.
Anonymous · January 9, 2021
Serial Number 1132197 was reported as accurate.
JointVenture Supporter 137 · December 19, 2020
Serial Number 1130530 was reported as accurate.
Anonymous · November 15, 2020
Serial Number 1130968 was reported as accurate.
Stevanio 19 · August 23, 2020
Serial Number 1135855 was reported as accurate.
Anonymous · August 12, 2020
Serial Number 1132895 was reported as accurate.
Anonymous · June 27, 2020
Serial Number 1131945 was reported as accurate.
Anonymous · February 2, 2020
Serial Number 1130396 was reported as accurate.
Anonymous · January 4, 2020
Serial Number 1131206 was reported as accurate.
Anonymous · January 2, 2020
Serial Number 1134646 was reported as accurate.
Anonymous · January 2, 2020
Serial Number 1134646 was reported as inaccurate.
Anonymous · September 22, 2019
Serial Number 1133924 was reported as accurate.
Anonymous · September 21, 2019
Serial Number 1135323 was reported as accurate.
Anonymous · June 10, 2019
Serial Number 1135278 was reported as accurate.
cmdraven 4083 · May 7, 2019
Serial Number 1132952 was reported as accurate.
Anonymous · March 9, 2019
Serial Number 1130472 was reported as accurate.
Anonymous · February 16, 2019
Serial Number 1131559 was reported as accurate.
Anonymous · January 26, 2019
Serial Number 1135093 was reported as accurate.
Anonymous · January 26, 2019
Serial Number 1135093 was reported as accurate.
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