Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1251135/movement
Access Date: November 23, 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:
-Series7-12s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 7
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1251135 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1914 | |
| Run Quantity: | 13,000 | |
| Grade/Model Run: | 12 of 21 | |
| Grade/Model Total Production: | 182,400 | |
| 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. 17 Jewels Adjustment Temperature 3 Pos. Pat'd '12 |
|
| Case: | Various | |
| Run ID: | 291.G33.12S71.121912M26.O205.P205.17J137 | |
| Database Version: | v52.457 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 548.86 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1,931.04 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 34.889% | |
| Registry Population: Scoped for This Run Only | 14 (0.11%) | |
| $ Estimated Value (12 Month Change): | 4.03% Analyzing 472 Sales | |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
| 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-M1912: 182,400 76.53% 12s, Grade Series 7, Model 1912 |
Other: 52,950
Other Models or Unclassified |
|
| 12S-M1912-17J: 182,400 76.53% 12s, Grade Series 7, Model 1912, 17 Jewels |
||
| 12S-M1912-17J-ONP: 182,400 76.53% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel |
||
| 12S-M1912-17J-ONP-A3PT: 182,400 76.53% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 14 watches in the population registry for this run with 6 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.
MoatsJustin1 top-contributor 5269 · November 16, 2023
Serial Number 1255699 was reported as accurate.
shortjoe 12 · May 15, 2022
Serial Number 1252599 was reported as accurate.
Anonymous · May 15, 2022
Serial Number 1252599 was reported as accurate.
okiejohn 387 · December 10, 2021
Serial Number 1256004 was reported as accurate.
Rcardkidz 4054 · August 15, 2021
Serial Number 1255249 was reported as accurate.
Anonymous · July 22, 2021
Serial Number 1256425 was reported as accurate.
TerryfromCanada Supporter 486 · March 17, 2021
Serial Number 1252057 was reported as accurate.
Anonymous · February 23, 2021
Serial Number 1254743 was reported as accurate.
Anonymous · September 18, 2020
Serial Number 1250459 was reported as accurate.
snellingt Supporter 32 · August 21, 2020
Serial Number 1254213 was reported as accurate.
Anonymous · August 11, 2020
Serial Number 1247840 was reported as accurate.
Anonymous · July 19, 2020
Serial Number 1251788 was reported as accurate.
Anonymous · May 31, 2020
Serial Number 1253137 was reported as accurate.
KBean001 34 · May 28, 2020
Serial Number 1250259 was reported as accurate.
KBean001 34 · May 28, 2020
Serial Number 1250259 was reported as accurate.
Anonymous · May 16, 2020
Serial Number 1250259 was reported as accurate.
cmdraven 4083 · April 19, 2020
Serial Number 1249505 was reported as accurate.
Anonymous · April 12, 2020
Serial Number 1257400 was reported as accurate.
Anonymous · April 7, 2020
Serial Number 1248990 was reported as accurate.
Anonymous · March 26, 2020
Serial Number 1257400 was reported as accurate.
Walter 63 · February 20, 2020
Serial Number 1255564 was reported as accurate.
Anonymous · September 21, 2019
Serial Number 1249185 was reported as accurate.
Anonymous · August 30, 2019
Serial Number 1258177 was reported as accurate.
Anonymous · June 23, 2019
Serial Number 1259408 was reported as accurate.
Anonymous · May 14, 2019
Serial Number 1259007 was reported as accurate.
Anonymous · March 10, 2019
Serial Number 1250513 was reported as accurate.
Anonymous · September 23, 2018
Serial Number 1248900 was reported as accurate.
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