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: 18152151 Question Mark
Grade: Riverside Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 9 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 Finish: Nickel Question Mark
Movement Setting: Pendant 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
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21811.G950.16S2784.161908M359.O13556.P7038.19J371 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.591 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
6 (1.20%) Question Mark
$ Estimated Value (12 Month Change): 2.14% Analyzing 218 Sales Question Mark

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.


Rickhufnagel7 Top Contributor Elgin Expert Hampden Expert Supporter 634 · January 29, 2025

Serial Number 18152378 was reported as accurate.

Anonymous · November 15, 2024

Serial Number 18152151 was reported as accurate.

Anonymous · March 17, 2021

Serial Number 18152438 was reported as accurate.

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

Anonymous · March 11, 2021

Serial Number 18152438 was reported as accurate.

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

Anonymous · August 25, 2019

Serial Number 18152412 was reported as accurate.

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

Anonymous · August 25, 2019

Serial Number 18152412 was reported as accurate.

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

dfchong 837 · May 11, 2018

Serial Number 18152228 was reported as accurate.

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

dfchong 837 · May 7, 2018

Serial Number 18152228 was reported as accurate.

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

Anonymous · February 6, 2018

Serial Number 18152442 was reported as accurate.

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

ngupaan 95 · November 23, 2017

Serial Number 18152085 was reported as inaccurate.

Note: Lever Set
RR Grade
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 1, 2015

Serial Number 18152254 was reported as accurate.

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

Anonymous · May 1, 2015

Serial Number 18152254 was reported as accurate.

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

Anonymous · August 18, 2013

Serial Number 18152375 was reported as inaccurate.

Note: Movement is Nickel
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · June 27, 2013

Serial Number 18152429 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 18152429 was reported as accurate.

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

Anonymous · May 20, 2013

Serial Number 18152429 was reported as accurate.

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

Anonymous · March 10, 2013

Serial Number 18152375 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade Riverside Pocket Watch