Pocket Watch Database
https://pocketwatchdatabase.com/search/result/waltham/31370647
Access Date: May 09, 2025
From the American Horology Archive:

American Waltham Watch Co.
Grade: No. 1609
Manufacturer: | Waltham |
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Manufacturer Location: | Waltham, Massachusetts |
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Movement Serial Number: | 31370647 |
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Grade: | No. 1609 |
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Model: | 1908 |
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Estimated Production Date: | Login to View |
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Run Quantity: | Login to View |
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Grade/Model Run: | Login to View |
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Grade/Model Total Production: | Login to View |
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Size: | 16s |
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Jewels: | 9j |
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Movement Configuration: | Openface |
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Movement Setting: | Pendant |
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Wind Mechanism: | Stem |
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Plate: | Bridge Plate |
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Hairspring: | Login to View |
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Adjusted: | Login to View |
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Adjusted # of Positions: | Login to View |
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Adjusted to Temperature: | Login to View |
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Railroad Grade: | Login to View |
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Case: | Various | ![]() |
Run ID: | 25820.G10.16S3918.161908M1456.O16048.P10609.9J153 | ![]() |
Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
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Database Version: | v52.645 | ![]() |
Advanced Metrics | ||
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Registry Population: Scoped for This Run Only | 12 (0.12%) | ![]() |
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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9 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Estimated Production Date, Run Quantity, Grade/Model Run, Grade/Model Total Production, Hairspring, Adjustments, Positional Adjustments, Temperature Adjustments, Railroad Grade Designation
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.
mdmiller99 Supporter 33 · July 14, 2021
Serial Number 31370647 was reported as accurate.
Anonymous · July 10, 2020
Serial Number 31369942 was reported as inaccurate.
petersas 17 · July 31, 2019
Serial Number 31361063 was reported as accurate.
Anonymous · June 26, 2019
Serial Number 31363305 was reported as inaccurate.
vangard 23 jewels, 3 pos adj temp, movement number
31363305 this one on line EBAY uk
regards, Brett
Anonymous · April 22, 2019
Serial Number 31362441 was reported as accurate.
Anonymous · January 6, 2019
Serial Number 31362844 was reported as inaccurate.
Anonymous · April 25, 2018
Serial Number 31370527 was reported as accurate.
Anonymous · March 13, 2018
Serial Number 31366302 was reported as accurate.

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