Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 640

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 25583354
Grade: No. 640
Model: 1908
Estimated Production Year: 1926
Run Quantity: 2,000
Grade/Model Run: 4 of 4
Grade/Model Total Production: 5,000
Size: 16s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 3
Case: Various
Run ID: 24910.G10.16S3747.161908M1294.O15491.L5541.17J2853
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.354
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.05
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.70
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015%
Registry Population: 19 (0.95%)

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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 · November 18, 2023

Serial Number 25583084 was reported as accurate.

Anonymous · March 10, 2023

Serial Number 25583559 was reported as accurate.

Anonymous · October 24, 2020

Serial Number 25584323 was reported as accurate.

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

Anonymous · January 10, 2020

Serial Number 25584168 was reported as accurate.

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

Anonymous · December 29, 2019

Serial Number 25584010 was reported as accurate.

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

Anonymous · September 22, 2019

Serial Number 25583226 was reported as accurate.

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

Anonymous · November 13, 2018

Serial Number 25583005 was reported as accurate.

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

Anonymous · May 21, 2018

Serial Number 25583353 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · July 27, 2016

Serial Number 25583614 was reported as inaccurate.

Note: mine is lever set
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · October 21, 2015

Serial Number 25584016 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · October 20, 2015

Serial Number 25584016 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · October 19, 2015

Serial Number 25584016 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · September 27, 2015

Serial Number 25584016 was reported as inaccurate.

Note: Movement setting for mine in pendant.
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

jchortman 1 · August 22, 2015

Serial Number 25584251 was reported as accurate.

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

Anonymous · August 22, 2015

Serial Number 25584251 was reported as accurate.

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

Anonymous · July 24, 2015

Serial Number 25584251 was reported as accurate.

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

JLashbrook 109 · July 5, 2015

Serial Number 25583784 was reported as inaccurate.

Note: adj 3 pos, run qtys do not match NAWCC database
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

ngupaan 95 · June 27, 2015

Serial Number 25584409 was reported as inaccurate.

Note: Nickel Movement
Adjusted to 3 Positions
Marked A.W.W.Co U.S.A
Double Roller
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · December 10, 2013

Serial Number 25583559 was reported as inaccurate.

Note: I originally checked Yes for accurate, but looked
again and found that it is marked "adjusted" and
"3 pos.".
Changes since this report was submitted:
Adjusted changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · October 10, 2013

Serial Number 25583559 was reported as accurate.

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

Anonymous · August 19, 2013

Serial Number 25584279 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
Waltham Grade No. 640 Pocket Watch