Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 1621

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 29416429 Question Mark
Grade: No. 1621 Question Mark
Variation: Riverside Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1937 Question Mark
Run Quantity: 800 Question Mark
Grade/Model Run: 9 of 22 Question Mark
Grade/Model Total Production: 77,738 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
U.S. Patents: 940117 Question Mark
Case: Various Question Mark
Run ID: 25646.G9.16S3891.161908M1429.O15910.P10552.21J603 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.468 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
4 (0.50%) Question Mark
$ Estimated Value (12 Month Change): 10.71% Analyzing 453 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.


Anonymous · May 19, 2021

Serial Number 29416783 was reported as accurate.

Anonymous · February 26, 2020

Serial Number 29416489 was reported as accurate.

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

rjandladyj 190 · January 16, 2014

Serial Number 29416429 was reported as inaccurate.

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