Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 1621 Pocket Watch

American Waltham Watch Co.

Grade: No. 1621

Riverside

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 29234458 Question Mark
Grade: No. 1621 Question Mark
Variation: Riverside Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1937 Question Mark
Run Quantity: 2,400 Question Mark
Grade/Model Run: 4 of 22 Question Mark
Grade/Model Total Production: 77,738 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Setting: Pressed Raised Cup Settings Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
U.S. Patents: 940117 Question Mark
Case: Various Question Mark
Run ID: 25619.G4.16S3882.161908M1420.O15888.L5577.21J594 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
234.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
212.98 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.233% Question Mark
Registry Population:
Scoped for This Run Only
34 (1.42%) Question Mark
$ Estimated Value (12 Month Change): 4.03% Analyzing 457 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.


Anonymous · November 17, 2024

Serial Number 29234490 was reported as accurate.

medhamred Supporter 145 · October 30, 2024

Serial Number 29234295 was reported as accurate.

Anonymous · April 14, 2024

Serial Number 29234251 was reported as inaccurate.

Note: Townsend (Waltham; plate 21) identified this
specific grade, model and variation (Riverside) as
being railroad grade.

cjbrem Supporter 967 · December 19, 2022

Serial Number 29234478 was reported as accurate.

Anonymous · June 15, 2022

Serial Number 29235361 was reported as accurate.

Anonymous · November 9, 2021

Serial Number 29233786 was reported as accurate.

Anonymous · October 20, 2021

Serial Number 29234500 was reported as accurate.

Anonymous · June 4, 2021

Serial Number 29234735 was reported as accurate.

Anonymous · May 10, 2021

Serial Number 29233862 was reported as accurate.

Bostonwatch 59 · September 8, 2020

Serial Number 29234093 was reported as accurate.

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

021666 41 · April 9, 2020

Serial Number 29234181 was reported as accurate.

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

Anonymous · March 19, 2020

Serial Number 29233224 was reported as accurate.

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

Anonymous · October 20, 2019

Serial Number 29234943 was reported as accurate.

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

pmtime Supporter 612 · October 30, 2018

Serial Number 29233167 was reported as inaccurate.

Note: movement also marked "Riverside"
Curator Response: Thanks for the report. Yes, some of the movements classified as Grade "1621" by Waltham were marked Riverside.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · February 27, 2018

Serial Number 29233752 was reported as accurate.

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

Anonymous · January 3, 2018

Serial Number 29234364 was reported as accurate.

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

Anonymous · August 28, 2016

Serial Number 29234306 was reported as accurate.

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

Anonymous · August 28, 2016

Serial Number 29234312 was reported as accurate.

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

Anonymous · August 28, 2016

Serial Number 29234349 was reported as accurate.

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

Anonymous · August 27, 2016

Serial Number 29234349 was reported as accurate.

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

Anonymous · August 27, 2016

Serial Number 29235046 was reported as accurate.

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

Anonymous · August 21, 2016

Serial Number 29233413 was reported as accurate.

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

Anonymous · August 8, 2016

Serial Number 29234349 was reported as accurate.

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

Anonymous · August 3, 2016

Serial Number 29234349 was reported as accurate.

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

Anonymous · March 23, 2016

Serial Number 29234732 was reported as inaccurate.

Note: Movement finish = Nickel

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

Gimparoo Supporter 703 · August 26, 2015

Serial Number 29233177 was reported as accurate.

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

Anonymous · August 19, 2015

Serial Number 29235005 was reported as accurate.

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

allamerican 48 · May 5, 2015

Serial Number 29235005 was reported as inaccurate.

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

Gasperoff Supporter 727 · March 24, 2015

Serial Number 29235005 was reported as accurate.

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

Anonymous · March 26, 2014

Serial Number 29234985 was reported as accurate.

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

esoxhunter Top Contributor Supporter 127 · March 20, 2014

Serial Number 29234611 was reported as inaccurate.

Note: Adjusted to Temp
Movement signed "Riverside"
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · February 21, 2014

Serial Number 29234986 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 1621 Pocket Watch