Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1183584/link
Access Date: April 21, 2025
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:
-Series11-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 11
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1183584 | |
| Grade: | Series 11 | |
| Variation: | DR.SpringClick | |
| Model: | E | |
| Estimated Production Year: | 1913 | |
| Run Quantity: | 6,000 | |
| Grade/Model Run: | 1 of 12 | |
| Grade/Model Total Production: | 25,100 | |
| Variant Est. Production: | 6,000 (16S-ME-21J-ONL-A5PTI-DR.SPRINGCLICK) | |
| Size: | 16s | |
| Jewels: | 21j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Bridge Plate | |
| Double Roller: | Yes | |
| Regulator: | Micrometric | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | Yes | |
| Railroad Grade Classification: | Class A | |
| Movement Markings: | E. Howard Watch Co. Boston U.S.A. Railroad Chronometer Series 11 21 Jewels R.R. Adjustment Temperature Five Positions Pat'd '08 Double Roller |
|
| Case: | Various | |
| Run ID: | 270.G1.16S180.M1.O186.L54.21J40 | |
| Database Version: | v52.640 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 76.06 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 265.78 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 4.799% | |
| Registry Population: Scoped for This Run Only | 27 (0.45%) | |
| $ Estimated Value (12 Month Change): | -0.58% Analyzing 214 Sales | |
Production Metrics Tree: Grade Series 11
Target Profile: 16S-ME-21J-ONL-A5PTI-DR.SPRINGCLICK
| E. Howard Watch Co. (Keystone) Grade Series 11 (All Variations): 25,100 ETP | |
| 16S: 25,100 100.00% 16s, Grade Series 11 |
|
| 16S-ME: 25,100 100.00% 16s, Grade Series 11, Model E |
|
| 16S-ME-21J: 25,100 100.00% 16s, Grade Series 11, Model E, 21 Jewels |
|
| 16S-ME-21J-ONL: 25,100 100.00% 16s, Grade Series 11, Model E, 21 Jewels, Openface/Lever/Nickel |
|
| 16S-ME-21J-ONL-A5PTI: 25,100 100.00% | |
| 16S-ME-21J-ONL-A5PTI-DR.SPRINGCLICK: 6,000 23.90% | Other: 19,100
Other Variants or Unclassified |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 27 watches in the population registry for this run with 9 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.
Anonymous · December 3, 2024
Serial Number 1182165 was reported as accurate.
Anonymous · July 2, 2024
Serial Number 1182218 was reported as accurate.
Anonymous · April 7, 2024
Serial Number 1181489 was reported as accurate.
Anonymous · January 5, 2024
Serial Number 1184447 was reported as accurate.
rmwatchandclock Supporter 384 · July 16, 2023
Serial Number 1182855 was reported as accurate.
Anonymous · April 18, 2023
Serial Number 1184086 was reported as accurate.
Anonymous · January 5, 2023
Serial Number 1182218 was reported as accurate.
Anonymous · November 28, 2022
Serial Number 1182218 was reported as accurate.
Anonymous · September 28, 2022
Serial Number 1181407 was reported as accurate.
ebsrods Supporter 131 · August 20, 2022
Serial Number 1181298 was reported as accurate.
ticker32 Supporter 94 · July 31, 2022
Serial Number 1181296 was reported as accurate.
Anonymous · July 1, 2022
Serial Number 1184092 was reported as accurate.
Anonymous · June 2, 2022
Serial Number 1185516 was reported as accurate.
swhite1750 29 · May 15, 2022
Serial Number 1181408 was reported as accurate.
Anonymous · May 14, 2022
Serial Number 1181409 was reported as accurate.
Anonymous · March 21, 2022
Serial Number 1182748 was reported as accurate.
Anonymous · February 27, 2022
Serial Number 1186648 was reported as accurate.
Anonymous · February 14, 2022
Serial Number 1181364 was reported as accurate.
Anonymous · December 21, 2021
Serial Number 1181305 was reported as accurate.
Anonymous · October 5, 2021
Serial Number 1186895 was reported as accurate.
Anonymous · August 12, 2021
Serial Number 1185272 was reported as accurate.
WatchFan63 Supporter 4 · May 19, 2021
Serial Number 1185385 was reported as accurate.
Anonymous · May 5, 2021
Serial Number 1185040 was reported as accurate.
Anonymous · May 2, 2021
Serial Number 1181808 was reported as accurate.
Anonymous · April 25, 2021
Serial Number 1183569 was reported as accurate.
Anonymous · April 18, 2021
Serial Number 1181808 was reported as accurate.
Anonymous · February 21, 2021
Serial Number 1181292 was reported as accurate.
Anonymous · February 5, 2021
Serial Number 1183744 was reported as accurate.
Automatic 254 · November 18, 2020
Serial Number 1182963 was reported as accurate.
rmwatchandclock Supporter 384 · November 9, 2020
Serial Number 1184728 was reported as accurate.
bwcrtime 192 · October 15, 2020
Serial Number 1184230 was reported as accurate.
bwcrtime 192 · October 15, 2020
Serial Number 1184230 was reported as accurate.
bunnofnickle 67 · July 2, 2020
Serial Number 1181768 was reported as accurate.
SharpByCoop 1 · April 26, 2020
Serial Number 1182598 was reported as accurate.
Anonymous · March 5, 2020
Serial Number 1185999 was reported as accurate.
Anonymous · February 26, 2020
Serial Number 1183247 was reported as accurate.
TimPsaledakis Supporter 28 · July 30, 2019
Serial Number 1182983 was reported as accurate.
Anonymous · July 6, 2019
Serial Number 1186673 was reported as accurate.
Anonymous · March 19, 2019
Serial Number 1183516 was reported as accurate.
jlwint22 22 · December 15, 2018
Serial Number 1184196 was reported as accurate.
Anonymous · November 30, 2018
Serial Number 1186912 was reported as accurate.
Anonymous · November 29, 2018
Serial Number 1186912 was reported as accurate.
Anonymous · November 28, 2018
Serial Number 1186912 was reported as accurate.
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