Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 1621

Riverside

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 29234611
Grade: No. 1621
Variation: Riverside
Model: 1908
Estimated Production Year: 1937
Run Quantity: 2,400
Grade/Model Run: 4 of 22
Grade/Model Total Production: 77,738
Size: 16s
Jewels: 21j
Jewel Setting: Pressed Raised Cup Settings
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Bridge Plate
Regulator: Plain
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Railroad Grade: No
U.S. Patents: 940117
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 25619.G4.16S3882.161908M1420.O15900.L5574.21J593
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
232.75
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
212.98
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.233%
Registry Population: 33 (1.38%)
$ Estimated Value (12 Month Change): 4.11% Analyzing 440 Sales

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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.


cjbrem Supporter 495 · 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 400 · 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