Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 640 Pocket Watch

American Waltham Watch Co.

Grade: No. 640

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 24437351 Question Mark
Grade: No. 640 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 1 of 4 Question Mark
Grade/Model Total Production: 5,000 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Case: Various Question Mark
Run ID: 24675.G7.16S3705.161908M1252.O15365.L5529.17J2816 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.529 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.70 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015% Question Mark
Registry Population:
Scoped for This Run Only
14 (1.40%) Question Mark
Research Note: #24437173: Verified as Marked "Adjusted" and "3 Pos." [eBay #292989509559]

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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.


orosei 8 · September 15, 2021

Serial Number 24437037 was reported as accurate.

Anonymous · May 8, 2021

Serial Number 24437769 was reported as accurate.

Anonymous · May 7, 2021

Serial Number 24437800 was reported as accurate.

Anonymous · May 7, 2021

Serial Number 24437769 was reported as accurate.

ralph1 113 · December 4, 2020

Serial Number 24437778 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 29, 2020

Serial Number 24437427 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 4, 2020

Serial Number 24437778 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

orosei 8 · July 19, 2020

Serial Number 24437037 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 24, 2019

Serial Number 24437173 was reported as inaccurate.

Note: adjusted to 3 positions
Curator Response: #24437173: Verified as Marked "Adjusted" and "3 Pos." [eBay #292989509559]
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Hulmzey72 1 · January 18, 2019

Serial Number 24437410 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · December 31, 2017

Serial Number 24437596 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

piotrozi 2 · November 21, 2017

Serial Number 24437348 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · June 7, 2016

Serial Number 24437438 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · May 29, 2015

Serial Number 24437581 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · January 30, 2014

Serial Number 24437351 was reported as inaccurate.

Note: 3 position
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge
Waltham Grade No. 640 Pocket Watch