Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 371

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 28795258
Grade: No. 371
Model: 1907
Estimated Production Year: 1936
Run Quantity: 5,000
Grade/Model Run: 1 of 4
Grade/Model Total Production: 13,500
Size: 3/0s
Jewels: 21j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 25568.G1.S382.M278.H8783.P10499.21J582
Database Version: v52.241
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
40.64
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
36.98
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.040%
Registry Population: 3 (0.06%)

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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.


updown655 25 · April 22, 2023

Serial Number 28793342 was reported as accurate.

Rcardkidz 3436 · May 19, 2020

Serial Number 28792655 was reported as accurate.

Anonymous · December 5, 2019

Serial Number 28792587 was reported as accurate.

wicozani 73 · December 5, 2019

Serial Number 28793449 was reported as accurate.

Anonymous · August 6, 2018

Serial Number 28792232 was reported as accurate.

Anonymous · July 21, 2018

Serial Number 28792665 was reported as accurate.

Anonymous · January 12, 2016

Serial Number 28792093 was reported as inaccurate.

Note: Movement is in a wrist watch case , Marked
riversideon mvt.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4