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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/28806292
Access Date: April 29, 2024
From the American Horology Archive:
American Waltham Watch Co.

Grade: No. 371

Riverside

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 28806292
Grade: No. 371
Model: 1907
Estimated Production Date: February 1936
Run Quantity: 5,000
Grade/Model Run: 2 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: 25571.G2.S383.M279.H8784.P10502.21J583
Database Version: v52.246
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: 6 (0.12%)
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 6 watches in the population registry for this run.
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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 · March 29, 2024

Serial Number 28808966 was reported as accurate.

MoatsJustin1 top-contributor 4700 · November 27, 2023

Serial Number 28810762 was reported as accurate.

MoatsJustin1 top-contributor 4700 · July 23, 2022

Serial Number 28810011 was reported as accurate.

Anonymous · July 15, 2022

Serial Number 28808735 was reported as inaccurate.

Note: Serial No: 28808735 is marked Riverside and is 21
jewels.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Plate changed from Unknown to 3/4

daddo46 991 · July 7, 2020

Serial Number 28807469 was reported as accurate.

wicozani 73 · December 31, 2019

Serial Number 28806487 was reported as accurate.

Rcardkidz 3459 · February 2, 2018

Serial Number 28806578 was reported as inaccurate.

Note: Watch is marked Riverside but is 21 Jewels.
Changes since this report was submitted:
Plate changed from Unknown to 3/4

Anonymous · May 17, 2015

Serial Number 28806173 was reported as inaccurate.

Note: Hunter movement
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4

Anonymous · December 17, 2013

Serial Number 28808735 was reported as inaccurate.

Note: Model is Riverside; Hunter configuration; NIckle
plates; Marked adjusted to Adj Temp
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4

Anonymous · June 4, 2013

Serial Number 28808593 was reported as accurate.

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