Waltham Pocket Watch: Serial Number 31370647 (Grade No. 1609)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/31370647

Access Date: April 19, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 1609

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	31370647
Grade:	No. 1609
Model:	1908
Estimated Production Date:	June 1943
Run Quantity:	10,000
Grade/Model Run:	10 of 17
Grade/Model Total Production:	139,213
Size:	16s
Jewels:	9j
Movement Configuration:	Openface
Movement Setting:	Pendant
Plate:	Bridge Plate
Hairspring:	Breguet
Adjusted:	Yes
Adjusted # of Positions:	3
Adjusted to Temperature:	Yes
Railroad Grade:	No
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Case:	Various
Run ID:	25820.G10.16S3918.161908M1456.O16062.P10612.9J153
Database Version:	v52.235
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	419.14
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	381.41
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.417%
Registry Population:	12 (0.12%)
$ Estimated Value (12 Month Change):	-12.21% Analyzing 127 Sales
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. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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