Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 315

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 21640329
Grade: No. 315
Model: 1900
Estimated Production Year: 1917
Run Quantity: 2,000
Grade/Model Run: 33 of 46
Grade/Model Total Production: 89,950
Size: 3/0s
Jewels: 15j
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: 23678.G33.S199.M89.O14712.P8771.15J5565
Database Version: v52.243
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
261.78
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
238.22
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.260%
Registry Population: 4 (0.20%)
$ Estimated Value (12 Month Change): 17.19% Analyzing 96 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.


Anonymous · April 14, 2021

Serial Number 21639473 was reported as accurate.

Anonymous · July 30, 2018

Serial Number 21639228 was reported as accurate.

frederic719 123 · February 10, 2014

Serial Number 21639081 was reported as accurate.

frederic719 123 · September 18, 2013

Serial Number 21639703 was reported as accurate.