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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/23063937/movement
Access Date: December 11, 2024
From the American Horology Archive:
American Waltham Watch Co.

Grade: Riverside A

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 23063937 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: 18 of 25 Question Mark
Grade/Model Total Production: 25,300 Question Mark
Size: 14s Question Mark
Jewels: 19j 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
Adjusted # of Positions: 5 Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 24358.G20.14S2540.M25.O15148.P9360.19J457 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.505 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 76.17 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 69.31 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		13 (1.30%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Size 14, Model "C'lA" (Colonial A) with 19 Jewels.
#23063348: Reported as 21 Jewels.
#23063443: Verified as Marked "19 Jewels."
#23063514: Reported as Marked "19 Jewels."
#23063519: Reported as Marked "19 Jewels."
#23063572: Reported as 21 Jewels.
#23063835: Reported as 21 Jewels.
#23063877: Reported as "Plugged" and Marked "21 Jewels."
#23063937: Verified as Marked "19 Jewels."
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 13 watches in the population registry for this run with 3 images.
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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 · June 22, 2023

Serial Number 23063143 was reported as accurate.

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

Serial Number 23063443 was reported as inaccurate.

Note: Movement is marked, and has, 19 jewels. (partial
movement, but all bridges match serial number)
Changes since this report was submitted:
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge

pwdmbj Supporter 557 · July 12, 2020

Serial Number 23063442 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · May 5, 2020

Serial Number 23063519 was reported as inaccurate.

Note: This is marked as 19J
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge

Anonymous · December 22, 2019

Serial Number 23063514 was reported as inaccurate.

Note: Marked 19 Jewels
Changes since this report was submitted:
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge

Anonymous · December 22, 2019

Serial Number 23063514 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · August 19, 2018

Serial Number 23063033 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 · December 4, 2016

Serial Number 23063456 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 · May 13, 2014

Serial Number 23063877 was reported as inaccurate.

Note: ADJ 5 POS; 21 JEWELS; "21" is an inserted plug
into drilled-out "19" (when these movements
upgraded by Waltham, likely on unsold movements,
from what I read elsewhere...)
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

milstuff22 10 · January 13, 2014

Serial Number 23063572 was reported as inaccurate.

Note: 21 jewel, adj 5 position,
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · September 24, 2013

Serial Number 23063348 was reported as inaccurate.

Note: 21 jewels. Adjusted 5 positions.
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · September 8, 2013

Serial Number 23063835 was reported as inaccurate.

Note: "Riverside A" Movement 20363835 has 21 jewels and
is adjusted to 5 positions.
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · September 8, 2013

Serial Number 23063835 was reported as inaccurate.

Note: There are 21 jewels in this particular movement
"Riverside A"
Changes since this report was submitted:
Factory Model changed from Colonial to Colonial A
Plate changed from Unknown to Bridge

Anonymous · May 23, 2013

Serial Number 23063875 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
Adjusted # Positions changed from No to 5
Plate changed from Unknown to Bridge