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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/31370647/link
Access Date: December 25, 2024
From the American Horology Archive:
Waltham Grade No. 1609 Pocket Watch
American Waltham Watch Co.

Grade: No. 1609

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 31370647 Question Mark
Grade: No. 1609 Question Mark
Model: 1908 Question Mark
Estimated Production Date: June 1943 Question Mark
Run Quantity: 10,000 Question Mark
Grade/Model Run: 10 of 17 Question Mark
Grade/Model Total Production: 139,213 Question Mark
Size: 16s Question Mark
Jewels: 9j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 25820.G10.16S3918.161908M1456.O16050.P10610.9J153 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 419.14 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 381.41 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.417% Question Mark
Registry Population:
Scoped for This Run Only		12 (0.12%) Question Mark
$ Estimated Value (12 Month Change): -13.91% Analyzing 128 Sales Question Mark
Research Note: Waltham Serial Lists designate this run as Grade "No. 1609" with 9 Jewels. However, #31362844 has been reported as featuring 17 Jewels. #31363305: Reported as featuring 23 Jewels, Adjusted to 3 Positions.
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 12 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.

Anonymous · July 26, 2022

Serial Number 31370677 was reported as accurate.

Anonymous · February 12, 2022

Serial Number 31369136 was reported as accurate.

Anonymous · December 11, 2021

Serial Number 31370802 was reported as accurate.

mdmiller99 Supporter 33 · July 14, 2021

Serial Number 31370647 was reported as accurate.

Anonymous · January 9, 2021

Serial Number 31370647 was reported as accurate.

Anonymous · July 10, 2020

Serial Number 31369942 was reported as inaccurate.

Note: 17 j
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

petersas 17 · July 31, 2019

Serial Number 31361063 was reported as accurate.

Anonymous · June 26, 2019

Serial Number 31363305 was reported as inaccurate.

Note: Hi, Nathan keystone case base metel case 735292.
vangard 23 jewels, 3 pos adj temp, movement number
31363305 this one on line EBAY uk
regards, Brett
Curator Response: Thanks for the report. It will support further research for this run.
Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · April 22, 2019

Serial Number 31362441 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · January 6, 2019

Serial Number 31362844 was reported as inaccurate.

Note: 17 jewels not 9
Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · April 25, 2018

Serial Number 31370527 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · March 13, 2018

Serial Number 31366302 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · April 9, 2016

Serial Number 31361001 was reported as inaccurate.

Note: Plate is marked ADJ. TEMP.
Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · May 11, 2013

Serial Number 31368135 was reported as inaccurate.

Note: Movement has follwing markings:
3 pos
adj temp
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from Unknown to Bridge
Waltham Grade No. 1609 Pocket Watch