Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 310

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20628109
Grade: No. 310
Model: 1907
Estimated Production Year: 1916
Run Quantity: 4,000
Grade/Model Run: 3 of 27
Grade/Model Total Production: 116,500
Size: 3/0s
Jewels: 7j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 23256.G32.S127.M57.O14452.P8354.7J6787
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
350.75
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
319.18
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.349%
Registry Population: 6 (0.15%)
$ Estimated Value (12 Month Change): -2.13% Analyzing 137 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.


MoatsJustin1 top-contributor 4697 · September 21, 2023

Serial Number 20627042 was reported as accurate.

Rcardkidz 3459 · November 19, 2021

Serial Number 20625331 was reported as accurate.

MoatsJustin1 top-contributor 4697 · August 13, 2021

Serial Number 20627348 was reported as accurate.

Anonymous · September 1, 2020

Serial Number 20625143 was reported as accurate.