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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/23086184
Access Date: April 19, 2025
From the American Horology Archive:
American Waltham Watch Co.

Grade: Riverside A

Mixed Run: 19-Jewel and 21-Jewel Examples Reported

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 23086184 Question Mark
Grade: Riverside A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1919 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 19 of 25 Question Mark
Grade/Model Total Production: 25,300 Question Mark
Size: 14s Question Mark
Jewels: 19j    Mixed Run Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 24377.G21.14S2541.M26.O15159.P9376.19J462 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.636 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 76.67 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 70.28 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.076% Question Mark
Registry Population:
Scoped for This Run Only		7 (0.70%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Size 14, Model "C'lA" (Colonial A).
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 7 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 · September 8, 2024

Serial Number 23086631 was reported as inaccurate.

Note: This is a 21 Jewel, thanks!

Rlegg6 6 · November 2, 2022

Serial Number 23086824 was reported as inaccurate.

Note: 21J
Curator Response: Thanks for the confirmation!

Anonymous · September 26, 2022

Serial Number 23086584 was reported as accurate.

Anonymous · September 15, 2022

Serial Number 23086619 was reported as inaccurate.

Note: 21J
Curator Response: Thanks for the confirmation!

grtnev Supporter 14 · December 12, 2021

Serial Number 23086864 was reported as inaccurate.

Note: Serial number 23086864 is a 21 jewel. Report
indicates mixed run, just letting you know this is
a 21j.
Curator Response: Thanks for the confirmation!

JerryT Waltham Expert Small Watch Expert 425 · September 26, 2021

Serial Number 23086035 was reported as accurate.

Anonymous · September 15, 2018

Serial Number 23086455 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

jayjiang0830 47 · February 26, 2018

Serial Number 23086851 was reported as inaccurate.

Note: 19 Jewels
Changes since this report was submitted:
Jewels changed from 21j to 19j
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · December 10, 2017

Serial Number 23086205 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j
Factory Model changed from Colonial to Colonial A

Anonymous · October 21, 2016

Serial Number 23086631 was reported as inaccurate.

Note: This serial number (23086631) is Riverside A but
21 Jewels
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · November 29, 2014

Serial Number 23086731 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A