Pocket Watch Database
https://pocketwatchdatabase.com/search/result/waltham/25680910
Access Date: June 08, 2023
From the American Horology Archive:

American Waltham Watch Co.
Grade: Riverside
Mixed Run: Riverside and Crescent St. Movements. See Research Notes.
Manufacturer: | Waltham | ![]() |
Manufacturer Location: | Waltham, Massachusetts | ![]() |
Movement Serial Number: | 25680910 | ![]() |
Grade: | Riverside | ![]() |
Model: | 1908 | ![]() |
Estimated Production Year: | 1926 | ![]() |
Run Quantity: | 500 | ![]() |
Grade/Model Total Production: | 25,700 | ![]() |
Size: | 16s | ![]() |
Jewels: | 19j | ![]() |
Movement Configuration: | Openface | ![]() |
Movement Finish: | Nickel | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | Bridge Plate | ![]() |
Hairspring: | Breguet | ![]() |
Adjusted: | Yes | ![]() |
Adjusted to Position: | Yes | ![]() |
Adjusted # of Positions: | 5 | ![]() |
Railroad Grade: | Yes | ![]() |
Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
![]() |
Case: | Various | ![]() |
Database Version: | v50.869 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 61.03 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 57.53 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.063% | ![]() |
Registry Population: | 5 (1.00%) | ![]() |
Research Note: Waltham Serial Lists designate this run as Grade Riverside with 19 Jewels. #25680784 [NAWCC]: Verified as Marked "Crescent St." and "21 Jewels - Adjusted." Damaskeening pattern is consistent with the "Riverside" grade produced in this era and does not match typical "Crescent St." movements from the late 1910s. This suggests the some movements in the run were upgraded from "Riverside" to "Crescent St." #25680738: Verified as Marked "Riverside" and "19 Jewels," consistent with factory serial lists.
|
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
1 | 25680727 | #227 | Inferred | ||
2 |
Image Credit: okwatch |
25680738 | #238 | Collection | September 17, 2021 |
3 | 25680812 | #312 | Collection | September 07, 2014 | |
4 | 25680843 | #343 | Marketplace | April 07, 2014 | |
5 | 25680861 | #361 | Marketplace | March 07, 2013 | |
Standard Deviation of Known Examples: 60.86 (Expected: 144.48, Δ83.62/16.72%) |
Help Us Help Others By Improving the Database:
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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.
freein2023 Supporter 1 · October 28, 2022
Serial Number 25680784 was reported as inaccurate.
Crescent St
Rcardkidz 2987 · October 19, 2021
Serial Number 25680727 was reported as accurate.
okwatch 27 · September 17, 2021
Serial Number 25680738 was reported as accurate.
Anonymous · August 19, 2016
Serial Number 25680723 was reported as accurate.

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