Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1196363
Access Date: January 27, 2023
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: | 1196363 | ![]() |
Grade: | Series 7 | ![]() |
Model: | 1912 | ![]() |
Estimated Production Year: | 1912 | ![]() |
Run Quantity: | 14,000 | ![]() |
Grade/Model Total Production: | 172,700 | ![]() |
Size: | 12s | ![]() |
Jewels: | 17j | ![]() |
Movement Configuration: | Openface | ![]() |
Movement Finish: | Nickel | ![]() |
Movement Setting: | Pendant | ![]() |
Plate: | Bridge Plate | ![]() |
Double Roller: | Yes | ![]() |
Hairspring: | Breguet | ![]() |
Adjusted: | Yes | ![]() |
Adjusted # of Positions: | 3 | ![]() |
Adjusted to Temperature: | Yes | ![]() |
Railroad Grade: | No | ![]() |
Case: | Various | ![]() |
Registry Population: | 14 (0.10%) | ![]() |
Database Version: | v49.708 | ![]() |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 224,550 ETP | |
12S: 224,550 100.00% 12s, Grade Series 7 |
|
12S-M1912: 172,700 76.91% 12s, Grade Series 7, Model 1912 |
Other: 51,850
Other Models or Unclassified |
12S-M1912-17J: 172,700 76.91% 12s, Grade Series 7, Model 1912, 17 Jewels |
|
12S-M1912-17J-ONP: 172,700 76.91% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel |
|
12S-M1912-17J-ONP-A3PT: 172,700 76.91% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
1 | 1190610 | #610 | Collection | September 08, 2020 | |
2 | 1190869 | #869 | Collection | January 21, 2020 | |
3 |
Image Credit: Rickglick1 |
1191486 | #1486 | Collection | July 19, 2020 |
4 | 1191704 | #1704 | Collection | September 24, 2020 | |
5 | 1192994 | #2994 | Collection | October 15, 2022 | |
6 | 1194355 | #4355 | Collection | December 28, 2018 | |
7 |
![]() Image Credit: Blicquer |
1196335 | #6335 | Collection | January 25, 2022 |
8 |
![]() Image Credit: GVH5000 |
1196363 | #6363 | Collection | April 16, 2020 |
9 | 1198043 | #8043 | Collection | February 26, 2021 | |
10 | 1199982 | #9982 | Collection | August 24, 2016 | |
11 | 1201849 | #11849 | Collection | February 16, 2022 | |
12 | 1202857 | #12857 | Collection | August 13, 2016 | |
13 | 1203149 | #13149 | Collection | February 21, 2020 | |
14 |
![]() Image Credit: PIVSFELIX |
1203493 | #13493 | Collection | January 17, 2018 |
Standard Deviation of Known Examples: 4,863.04 (Expected: 4,041.60, Δ821.45/5.87%) |
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 48 · July 10, 2022
Serial Number 1196335 was reported as accurate.
Kurlander Supporter 23 · June 7, 2022
Serial Number 1199506 was reported as accurate.
cmdraven 3542 · March 13, 2022
Serial Number 1190581 was reported as accurate.
Anonymous · May 18, 2021
Serial Number 1193158 was reported as inaccurate.
Automatic 254 · January 30, 2021
Serial Number 1203977 was reported as accurate.
Automatic 254 · January 12, 2021
Serial Number 1203977 was reported as accurate.
Automatic 254 · November 27, 2020
Serial Number 1201184 was reported as accurate.
Anonymous · May 31, 2020
Serial Number 1193313 was reported as accurate.
Anonymous · May 21, 2020
Serial Number 1193836 was reported as accurate.
Anonymous · April 28, 2020
Serial Number 1193446 was reported as accurate.
Anonymous · April 15, 2020
Serial Number 1196363 was reported as accurate.
Anonymous · March 9, 2020
Serial Number 1202753 was reported as accurate.
Anonymous · March 5, 2020
Serial Number 1203324 was reported as accurate.
Anonymous · February 13, 2020
Serial Number 1193241 was reported as accurate.
cpsals 1 · January 31, 2020
Serial Number 1196371 was reported as accurate.
Anonymous · December 16, 2019
Serial Number 1195305 was reported as accurate.
Anonymous · December 9, 2019
Serial Number 1199344 was reported as accurate.
Anonymous · November 6, 2019
Serial Number 1190304 was reported as accurate.
Anonymous · November 5, 2019
Serial Number 1191686 was reported as accurate.
Anonymous · May 27, 2019
Serial Number 1194372 was reported as accurate.
Anonymous · April 25, 2019
Serial Number 1194883 was reported as accurate.
Anonymous · February 4, 2019
Serial Number 1191915 was reported as inaccurate.
bubba70 543 · December 24, 2018
Serial Number 1198241 was reported as accurate.
golddude 10 · December 12, 2018
Serial Number 1200621 was reported as accurate.
Anonymous · December 12, 2018
Serial Number 1200621 was reported as accurate.
dsmith168 6 · December 10, 2018
Serial Number 1202858 was reported as accurate.
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