Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1010043
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1010043
Access Date: January 30, 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:
E. Howard Watch Co. (Keystone)
Grade: Series 1
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1010043 | |
| Grade: | Series 1 | |
| Model: | 1903 | |
| Estimated Production Year: | 1903 | |
| Run Quantity: | 600 | |
| Grade/Model Run: | 1 of 2 | |
| Grade/Model Total Production: | 1,000 | |
| Variant Est. Production: | 600 (16S-M1903-19J-HNP) | |
| Size: | 16s | |
| Jewels: | 19j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Finish Pattern: | Paralell | |
| Movement Inlay Color: | Black | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Double Roller: | Yes | |
| Barrel: | Motor | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Sapphire | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 3 or 5 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | Yes | |
| Movement Markings: | E. Howard & Co. Boston 19 Jewels Adjusted |
|
| Case: | Various | |
| Run ID: | 145.G2.16S110.161903M1.H50.P119.19J10 | |
| Database Version: | v52.584 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 1.80 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 6.25 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.115% | |
| Registry Population: Scoped for This Run Only | 5 (0.83%) | |
Production Metrics Tree: Grade Series 1
Target Profile: 16S-M1903-19J-HNP-A0PTI
| E. Howard Watch Co. (Keystone) Grade Series 1 (All Variations): 6,700 ETP | ||
| 16S: 6,700 100.00% 16s, Grade Series 1 |
||
| 16S-M1903: 1,000 14.93% 16s, Grade Series 1, Model 1903 |
Other: 5,700
Other Models or Unclassified |
|
| 16S-M1903-19J: 1,000 14.93% 16s, Grade Series 1, Model 1903, 19 Jewels |
||
| 16S-M1903-19J-HNP: 600 8.96% 16s, Grade Series 1, Model 1903, 19 Jewels, Hunting/Pendant/Nickel |
Other: 400
Other Configs or Unclassified |
|
| 16S-M1903-19J-HNP-A0PTI: 600 8.96% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 5 watches in the population registry for this run with 1 image.
|
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Help Us Help Others By Improving the Database:
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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.
esoxhunter Top Contributor Supporter 127 · February 16, 2024
Serial Number 1010237 was reported as inaccurate.
Note: I believe this watch was manufactured by Waltham
for Howard sometime ca. 1903, not 1911.
for Howard sometime ca. 1903, not 1911.
Changes since this report was submitted:
Grade changed from 1 to Series 1
Railroad Grade changed from No to Yes
Anonymous · October 13, 2021
Serial Number 1010386 was reported as accurate.
Changes since this report was submitted:
Movement Setting changed from Lever or Pendant to Pendant
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
Anonymous · July 1, 2020
Serial Number 1010530 was reported as accurate.
Changes since this report was submitted:
Movement Setting changed from Lever or Pendant to Pendant
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
Anonymous · February 15, 2019
Serial Number 1010043 was reported as accurate.
Changes since this report was submitted:
Movement Setting changed from Lever or Pendant to Pendant
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
Anonymous · February 15, 2019
Serial Number 1010043 was reported as accurate.
Changes since this report was submitted:
Movement Setting changed from Lever or Pendant to Pendant
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
rubber 37 · February 11, 2019
Serial Number 1010043 was reported as accurate.
Changes since this report was submitted:
Movement Setting changed from Lever or Pendant to Pendant
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
Anonymous · November 19, 2018
Serial Number 1010013 was reported as accurate.
Changes since this report was submitted:
Factory Model changed from 1907 to 1903
Railroad Grade changed from No to Yes
Plate changed from Bridge to 3/4
