Pocket Watch Database
https://pocketwatchdatabase.com/search/result/waltham/520525
Access Date: January 30, 2023
From the American Horology Archive:
American Waltham Watch Co.
Grade: Crescent St.
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 520525 | |
| Grade: | Crescent St. | |
| Model: | 1870 | |
| Estimated Production Date: | October 1870 - May 1, 1871 | |
| Run Quantity: | 700 | |
| Grade/Model Total Production: | 17,880 | |
| Size: | 18s | |
| Jewels: | 15j | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Data Research: |
c.1900 Waltham Factory Ledgers 1954 Waltham "Gray Book" List |
|
| Case: | Various | |
| Registry Population: | 4 (0.57%) | |
| Database Version: | v49.716 | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
| 1 | 520340 | #40 | Marketplace | February 16, 2020 | |
| 2 | 520403 | #103 | Collection | December 11, 2022 | |
| 3 |
Image Credit: 1dueberincanton |
520525 | #225 | Collection | May 18, 2021 |
| 4 | 520900 | #600 | Collection | November 14, 2015 | |
| Standard Deviation of Known Examples: 250.72 (Expected: 202.22, Δ48.50/6.93%) | |||||
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
Rcardkidz 2788 · December 5, 2022
Serial Number 520356 was reported as accurate.
Anonymous · August 30, 2022
Serial Number 520704 was reported as accurate.
Anonymous · April 30, 2021
Serial Number 520650 was reported as accurate.
Anonymous · December 4, 2019
Serial Number 520434 was reported as accurate.
Anonymous · June 9, 2019
Serial Number 520356 was reported as accurate.
Anonymous · October 8, 2018
Serial Number 520620 was reported as accurate.
Anonymous · September 12, 2018
Serial Number 520311 was reported as accurate.
Anonymous · September 12, 2018
Serial Number 520311 was reported as accurate.
Anonymous · April 26, 2018
Serial Number 520548 was reported as inaccurate.
Anonymous · January 4, 2018
Serial Number 520386 was reported as accurate.
Anonymous · January 16, 2017
Serial Number 520346 was reported as accurate.
Anonymous · March 25, 2016
Serial Number 520732 was reported as accurate.
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