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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/901281
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/901281
Access Date: November 30, 2024
From the American Horology Archive:
American Waltham Watch Co.
Grade: Martyn Square
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 901281 | |
| Grade: | Martyn Square | |
| Model: | 1857 | |
| Estimated Production Date: | March 1876 - May 1876 | |
| Run Quantity: | 100 | |
| Grade/Model Run: | 42 of 108 | |
| Grade/Model Total Production: | 7,960 | |
| Size: | 18s | |
| Jewels: | 7j | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Balance Type: | Solid | |
| Balance Material: | Steel | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 6233.G72.18S5369.181857M5147.O5979.K5996.7J836 | |
| Data Research: |
c.1900 Waltham Factory Ledger Book 1 [NAWCC] c.1900 Waltham Factory Ledgers [Ehrhardt Transcription] 1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Database Version: | v52.473 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 21.25 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 19.34 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.021% | |
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