Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1116169
Access Date: April 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:
-Series2-16s-Model1907.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 2
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1116169 | |
| Grade: | Series 2 | |
| Variation: | Ser. 2 | |
| Model: | 1907 | |
| Estimated Production Year: | 1912 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 1 of 7 | |
| Grade/Model Total Production: | 6,500 | |
| Variant Est. Production: | 3,800 (16S-M1907-17J-ONL) | |
| Size: | 16s | |
| Jewels: | 17j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Raised Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Bridge Plate | |
| Bridge Type: | Center | |
| Double Roller: | Yes | |
| Barrel: | Going | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Sapphire | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | Yes | |
| Dial Feet Locations: | 10.7, 24.3, 48.9 | |
| Case: | Various | |
| Run ID: | 210.G12.16S139.161907M50.O124.L28.17J111 | |
| Database Version: | v52.245 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 16.56 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 54.95 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1.064% | |
| Registry Population: | 2 (0.40%) | |
Production Metrics Tree: Grade Series 2
Target Profile: 16S-M1907-17J-ONL-A5PTI-SER. 2
| E. Howard Watch Co. (Keystone) Grade Series 2 (All Variations): 10,590 ETP | |||
| 16S: 10,590 100.00% 16s, Grade Series 2 |
|||
| 16S-M1907: 6,500 61.38% 16s, Grade Series 2, Model 1907 |
Other: 4,090
Other Models or Unclassified |
||
| 16S-M1907-17J: 6,500 61.38% 16s, Grade Series 2, Model 1907, 17 Jewels |
|||
| 16S-M1907-17J-ONL: 3,800 35.88% 16s, Grade Series 2, Model 1907, 17 Jewels, Openface/Lever/Nickel |
Other: 2,700
Other Configs or Unclassified |
||
| 16S-M1907-17J-ONL-A5PTI: 3,800 35.88% | |||
| 16S-M1907-17J-ONL-A5PTI-SER. 2: 3,800 35.88% | |||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 2 watches in the population registry for this run with 2 images.
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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.
Anonymous · September 18, 2023
Serial Number 1116424 was reported as accurate.
randall48 Supporter 5 · February 10, 2022
Serial Number 1116169 was reported as accurate.
randall48 Supporter 5 · February 10, 2022
Serial Number 1116169 was reported as accurate.
randall48 Supporter 5 · February 10, 2022
Serial Number 1116169 was reported as accurate.
randall48 Supporter 5 · February 10, 2022
Serial Number 1116169 was reported as accurate.
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