Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/21241800
https://pocketwatchdatabase.com/search/result/waltham/21241800
Access Date: April 18, 2024
From the American Horology Archive:
American Waltham Watch Co.
Grade: No. 1420
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 21241800 | |
| Grade: | No. 1420 | |
| Model: | Colonial Series | |
| Estimated Production Year: | 1917 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 20 of 31 | |
| Grade/Model Total Production: | 51,000 | |
| Size: | 14s | |
| Jewels: | 15j | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Split Plate | |
| Regulator: | Patent | |
| Hairspring: | Breguet | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Case: | Various | |
| Run ID: | 23530.G20.14S2495.M79.O14628.P8625.15J5516 | |
| Database Version: | v52.235 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 149.03 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 135.62 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.148% | |
| Registry Population: | 5 (0.50%) | |
|
Research Note: Waltham Serial Ledgers designate this run as "Col. Ser." (Colonial Series). Pillar plate measures as 14s while movement is based on the 12s Model 1894.
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Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 5 watches in the population registry for this run with 1 image.
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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.
TerryfromCanada Supporter 480 · December 31, 2022
Serial Number 21241465 was reported as accurate.
Anonymous · January 28, 2020
Serial Number 21241330 was reported as accurate.
Anonymous · January 1, 2020
Serial Number 21241009 was reported as accurate.
Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series
Anonymous · March 8, 2018
Serial Number 21241382 was reported as accurate.
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series
mncorrado001 83 · January 2, 2017
Serial Number 21241394 was reported as accurate.
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series
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