Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/H866619/movement
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/H866619/movement
Access Date: March 10, 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: Waltham 17J
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | H866619 | |
| Grade: | Waltham 17J | |
| Model: | 1903 | |
| Estimated Production Year: | 1904 | |
| Run Quantity: | 20 | |
| Grade/Model Run: | 2 of 4 | |
| Grade/Model Total Production: | 90 | |
| Variant Est. Production: | 70 (16S-M1903-17J-HNP) | |
| Size: | 16s | |
| Jewels: | 17j | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Finish Pattern: | Fancy | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Hairspring: | Breguet | |
| Case: | Various | |
| Run ID: | 342.G3.16S213.161903M5.H72.P238.17J153 | |
| Database Version: | v52.622 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 0.21 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.64 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.013% | |
| Registry Population: Scoped for This Run Only | 2 (10.00%) | |
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Research Note: Manufactured by Waltham
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Production Metrics Tree: Grade Waltham 17J
Target Profile: 16S-M1903-17J-HNP-U
| E. Howard Watch Co. (Keystone) Grade Waltham 17J (All Variations): 100 ETP | ||
| 16S: 100 100.00% 16s, Grade Waltham 17J |
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| 16S-M1903: 90 90.00% 16s, Grade Waltham 17J, Model 1903 |
Other: 10
Other Models or Unclassified |
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| 16S-M1903-17J: 90 90.00% 16s, Grade Waltham 17J, Model 1903, 17 Jewels |
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| 16S-M1903-17J-HNP: 70 70.00% 16s, Grade Waltham 17J, Model 1903, 17 Jewels, Hunting/Pendant/Nickel |
Other: 20
Other Configs or Unclassified |
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| 16S-M1903-17J-HNP-U: 70 70.00% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 2 watches in the population registry for this run with 1 image.
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Verification Reports for this Run
There are currently no verifications for this range.
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This WatchFrom This RunImage Source/Credit: Jones & Horan Auctions
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Image Source/Credit: Jones & Horan Auctions