Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 360

(Alternatively Grade No. 361)

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20700294
Grade: No. 360
Model: 1907
Estimated Production Year: 1916
Run Quantity: 5,000
Grade/Model Run: 9 of 19
Grade/Model Total Production: 90,500
Size: 3/0s
Jewels: 7j
Movement Configuration: Hunting
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: 23291.G9.S133.M62.H7897.P8388.7J6806
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
272.47
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
247.95
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.271%
Registry Population: 2 (0.04%)

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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 · January 2, 2021

Serial Number 20700863 was reported as inaccurate.

Note: It's in a wire lug WWI trench case Depollier
sterling) but the database says hunting case,
which this is not.
Thanks for the database!
Curator Response: Thanks for the report. The lookup indicates a hunting movement (which it is), not a hunting case. Most wristwatches from this era are hunting movements by definition.

Anonymous · April 24, 2020

Serial Number 20703853 was reported as accurate.

Anonymous · September 21, 2019

Serial Number 20701609 was reported as accurate.

Anonymous · March 9, 2017

Serial Number 20701515 was reported as accurate.

Anonymous · May 17, 2016

Serial Number 20700078 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting