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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/26399535
Access Date: May 05, 2025
From the American Horology Archive:
American Waltham Watch Co.

Grade: Sapphire

Actual Production Inconsistent with Factory Records. Please See Research Notes.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 26399535 Question Mark
Grade: Sapphire Question Mark
Model: 1898 Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Size: 6/0s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Wind Mechanism: Stem Question Mark
Plate: 3/4 Split Plate Question Mark
Hairspring: Login to View Question Mark
Adjusted: Login to View Question Mark
Railroad Grade: Login to View Question Mark
Case: Various Question Mark
Run ID: 25048.G135.S392.M267.H8570.P10000.17J2876 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.644 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only		19 (0.38%) Question Mark
Research Note: Waltham Serial Lists designate this run as a 6/0s Model 1898 Grade "Sapphire." However, #26399535 has been verified as a 16-Size Model 1908. #26400754 and have been reported as the same as well.
7 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Hairspring, Adjustments, Railroad Grade Designation

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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 19 watches in the population registry for this run with 1 image.
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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.

jaspurlock2012 Supporter 132 · February 2, 2025

Serial Number 26399251 was reported as inaccurate.

Note: 16 size, 17 jewel PS Bartlett

Anonymous · March 4, 2024

Serial Number 26400296 was reported as inaccurate.

Note: This movement has 17j size 16s and is a 625
movement
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

jaspurlock2012 Supporter 132 · September 13, 2023

Serial Number 26399251 was reported as inaccurate.

Note: 16 size, P.S Bartlett
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · September 23, 2022

Serial Number 26400848 was reported as inaccurate.

Note: This is a 16 size 17 jewel watch, grade possibly
625 or higher
Curator Response: Thanks for the report. This information has been added to the research notes for the run.

Anonymous · May 23, 2022

Serial Number 26399163 was reported as accurate.

funkywatches 69 · January 25, 2022

Serial Number 26399367 was reported as accurate.

rmwatchandclock Supporter 384 · June 1, 2021

Serial Number 26399535 was reported as inaccurate.

Note: Serial number 26399535 is a 16s, 17j, model 1908,
P.S. Bartlett. Photos have been uploaded.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

PHIL1199 Supporter 1251 · March 15, 2021

Serial Number 26400754 was reported as inaccurate.

Note: This serial number is on a 17 jewel, 16S, hunting
grade 625.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · February 15, 2021

Serial Number 26399759 was reported as accurate.

Anonymous · January 31, 2021

Serial Number 26399109 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · November 20, 2020

Serial Number 26399930 was reported as accurate.

Anonymous · September 12, 2020

Serial Number 26400031 was reported as accurate.

Anonymous · July 8, 2020

Serial Number 26397548 was reported as inaccurate.

Note: I don't know much about the specifics of the
movement, etc, but it has it listed as 17 jewels
and the watch is stamped 15 jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · July 8, 2020

Serial Number 26397548 was reported as accurate.

Anonymous · September 15, 2019

Serial Number 26400369 was reported as inaccurate.

Note: Stamped 17 jewels size 16s appears to be a model
1899.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Rcardkidz 4471 · May 9, 2019

Serial Number 26397638 was reported as accurate.

bubba70 543 · February 27, 2019

Serial Number 26399380 was reported as accurate.

bubba70 543 · February 27, 2019

Serial Number 26399350 was reported as accurate.

Anonymous · February 7, 2019

Serial Number 26400931 was reported as accurate.

Anonymous · September 29, 2018

Serial Number 26396450 was reported as accurate.

Anonymous · March 30, 2018

Serial Number 26399535 was reported as inaccurate.

Note: 16s. PS Bartlett 17 J.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.

Anonymous · April 26, 2017

Serial Number 26400861 was reported as inaccurate.

Note: 17 jewels
Changes since this report was submitted:
Jewels changed from 15j to 17j

Anonymous · April 29, 2016

Serial Number 26400743 was reported as inaccurate.

Note: This is a hunting movement, 17 jewel, size 16,
damaskeen finish
Changes since this report was submitted:
Jewels changed from 15j to 17j
Movement Configuration changed from Openface to Hunting

wholesalebobs 10 · February 17, 2016

Serial Number 26399693 was reported as inaccurate.

Note: 17j
Changes since this report was submitted:
Jewels changed from 15j to 17j
Movement Configuration changed from Openface to Hunting

Anonymous · February 22, 2013

Serial Number 26400239 was reported as inaccurate.

Note: Size 16
Hunting
17 Jewel
Has a Braille Dial
Marked With AWWCo
Changes since this report was submitted:
Jewels changed from 15j to 17j
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4 Split