Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 1621

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 28932776
Grade: No. 1621
Variation: Riverside
Model: 1908
Estimated Production Year: 1936
Run Quantity: 1,000
Grade/Model Run: 3 of 22
Grade/Model Total Production: 77,738
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
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: 25595.G3.16S3880.161908M1418.O15881.L5573.21J590
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: 15 (1.50%)
$ 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.


okiejohn 379 · March 12, 2022

Serial Number 28932917 was reported as accurate.

Waltham21j 121 · March 27, 2018

Serial Number 28932736 was reported as accurate.

Anonymous · April 10, 2017

Serial Number 28932492 was reported as accurate.

Anonymous · January 3, 2017

Serial Number 28932927 was reported as accurate.

Anonymous · May 7, 2016

Serial Number 28932149 was reported as inaccurate.

No further details were submitted with the report.

Waltham21j 121 · February 15, 2016

Serial Number 28932736 was reported as inaccurate.

Note: Watch is lever set with lever at about 11
o'clock.It may also be RR grade.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · November 1, 2015

Serial Number 28932494 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Waltham21j 121 · June 28, 2015

Serial Number 28932736 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from Unknown to Bridge

Anonymous · April 9, 2013

Serial Number 28932414 was reported as inaccurate.

Note: Movement is Marked Riverside and the drive train
plate is slightly different than the example
shown.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from Unknown to Bridge
Waltham Grade No. 1621 Pocket Watch