Pocket Watch Database
https://pocketwatchdatabase.com/search/result/waltham/20018180
Access Date: December 03, 2024
From the American Horology Archive:
American Waltham Watch Co.
Grade: Riverside A
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 20018180 | |
| Grade: | Riverside A | |
| Model: | Colonial A | |
| Estimated Production Year: | 1915 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 2 of 25 | |
| Grade/Model Total Production: | 25,300 | |
| Size: | 14s | |
| Jewels: | 19j | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Hairspring: | Breguet | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 22856.G2.14S2443.M4.O14179.P8007.19J396 | |
| Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
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| Database Version: | v52.478 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 76.17 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 69.31 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.076% | |
| Registry Population: Scoped for This Run Only | 11 (1.10%) | |
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Research Note: Waltham Serial Ledgers designate this run as "Col. A."
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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 11 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.
MoatsJustin1 top-contributor 5269 · June 2, 2024
Serial Number 20018342 was reported as accurate.
Anonymous · March 5, 2019
Serial Number 20018843 was reported as accurate.
Anonymous · October 5, 2018
Serial Number 20018366 was reported as accurate.
Anonymous · December 31, 2014
Serial Number 20018254 was reported as accurate.
KithAB 25 · December 22, 2014
Serial Number 20018169 was reported as accurate.
Anonymous · June 29, 2014
Serial Number 20018049 was reported as inaccurate.
"Colonial" and "A". Movement plates and markings
are identical to my other Colonial A (including
"Riverside A") (except NOT marked "Adjusted"), and
very different from all the shown pics here. Also
as thin as my Colonial A.
Anonymous · April 23, 2014
Serial Number 20018234 was reported as inaccurate.
Anonymous · July 9, 2013
Serial Number 20018805 was reported as inaccurate.
Anonymous · June 11, 2013
Serial Number 20018149 was reported as inaccurate.
