Pocket Watch Database


From the American Horology Archive:
Waltham Grade Riverside Pocket Watch

American Waltham Watch Co.

Grade: Riverside

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18139024 Question Mark
Grade: Riverside Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 8 of 32 Question Mark
Grade/Model Total Production: 25,700 Question Mark
Size: 16s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 21792.G947.16S2777.161908M352.O13544.L5311.19J367 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
63.22 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
57.53 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.063% Question Mark
Registry Population:
Scoped for This Run Only
8 (1.60%) Question Mark
$ Estimated Value (12 Month Change): 3.57% Analyzing 217 Sales Question Mark

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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.


jnickell Supporter 21 · April 27, 2024

Serial Number 18139024 was reported as accurate.

Anonymous · June 28, 2023

Serial Number 18139252 was reported as accurate.

Anonymous · September 16, 2021

Serial Number 18139112 was reported as accurate.

Wolfeman70 9 · November 20, 2016

Serial Number 18139174 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 30, 2016

Serial Number 18139413 was reported as inaccurate.

Note: Lever Set
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · February 27, 2015

Serial Number 18139319 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · October 12, 2014

Serial Number 18139267 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

retirement 25 · July 2, 2014

Serial Number 18139396 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · March 7, 2014

Serial Number 18139118 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · September 28, 2013

Serial Number 18139431 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge
Waltham Grade Riverside Pocket Watch