Pocket Watch Database

From the American Horology Archive:

Hamilton Watch Co.

Grade: 999 Ball

Ball

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: B640097
Grade: 999 Ball
Model: Ball
Estimated Production Year: 1934
Run Quantity: 4,400
Grade/Model Run: 30 of 39
Grade/Model Total Production: 54,600
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
Case: Various
Run ID: 2424.G30.16S1465.M30.O1770.L1458.21J690
Data Research: 1953 Hamilton Serial List
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
164.39
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
72.13
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.512%
Registry Population: 25 (0.57%)
$ Estimated Value (12 Month Change): 3.30% Analyzing 251 Sales

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · September 20, 2022

Serial Number B641965 was reported as inaccurate.

No further details were submitted with the report.

cliffdobbins Supporter 296 · March 14, 2022

Serial Number B641562 was reported as accurate.

Anonymous · June 9, 2021

Serial Number B641569 was reported as accurate.

usnpt109 Supporter 24 · January 28, 2021

Serial Number B641449 was reported as inaccurate.

Note: 17 Jewels

Anonymous · August 5, 2019

Serial Number B642536 was reported as accurate.

andtohellwesail 3 · August 10, 2018

Serial Number B641542 was reported as inaccurate.

Note: #B641542 a 16j Ball commercial standard in hunter
configuration. Pendant set. No adjustments
stamped.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.

Anonymous · July 5, 2018

Serial Number B641542 was reported as accurate.

Anonymous · November 1, 2017

Serial Number B643583 was reported as accurate.

Anonymous · May 29, 2017

Serial Number B641719 was reported as accurate.

tammygreen 1 · March 4, 2017

Serial Number B644109 was reported as accurate.

Anonymous · September 30, 2016

Serial Number B643159 was reported as accurate.

Anonymous · August 10, 2015

Serial Number B641182 was reported as accurate.

Anonymous · August 1, 2015

Serial Number B640434 was reported as accurate.

Anonymous · June 18, 2014

Serial Number B640744 was reported as accurate.

Anonymous · March 5, 2014

Serial Number B640748 was reported as accurate.

Donhawes 20 · December 27, 2013

Serial Number B640241 was reported as accurate.

Anonymous · December 4, 2013

Serial Number B640456 was reported as accurate.

Anonymous · December 4, 2013

Serial Number B640456 was reported as accurate.

Anonymous · April 9, 2013

Serial Number B643297 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 0 to Ball

Anonymous · March 8, 2013

Serial Number B641162 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 0 to Ball

Anonymous · June 16, 2012

Serial Number B640869 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 0 to Ball
Railroad Grade changed from No to Yes