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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/18158821
https://pocketwatchdatabase.com/search/result/waltham/18158821
Access Date: April 23, 2025
From the American Horology Archive:
American Waltham Watch Co.
Grade: Riverside
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 18158821 | |
| Grade: | Riverside | |
| Model: | 1900 | |
| Estimated Production Year: | 1911 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 41 of 44 | |
| Grade/Model Total Production: | 16,700 | |
| Size: | 0s | |
| Jewels: | 17j | |
| Movement Configuration: | Openface | |
| Movement Setting: | Pendant | |
| Regulator: | Patent | |
| Hairspring: | Breguet | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 21816.G951.0S914.01900M374.O13558.P7043.17J2080 | |
| Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
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| Database Version: | v52.640 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 18.48 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 16.94 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.018% | |
| Registry Population: Scoped for This Run Only | 1 (0.20%) | |
| $ Estimated Value (12 Month Change): | 0% Analyzing 205 Sales | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There is 1 watch in the population registry for this run.
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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 · August 5, 2017
Serial Number 18158563 was reported as accurate.
Anonymous · December 1, 2014
Serial Number 18158781 was reported as accurate.
