Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999P

Manufacturer: Ball - Hamilton
Movement Serial Number: B636854
Grade: 999P
Model: 1
Estimated Production Year: 1930
Run Quantity: 3,000
Grade/Model Run: 9 of 15
Grade/Model Total Production: 40,300
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D32330
Movement Markings: Official Standard
Ball Watch Co.
Cleveland,O.
21 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Case: Various
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
120.66
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
916.84
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
34.934%
Registry Population: 14 (0.47%)
Research Note: Hamilton Hairspring Stud

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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 · July 27, 2022

Serial Number B638057 was reported as accurate.

Anonymous · June 19, 2022

Serial Number B638174 was reported as accurate.

Anonymous · January 30, 2022

Serial Number B638846 was reported as accurate.

Anonymous · June 18, 2021

Serial Number B637478 was reported as accurate.

Anonymous · April 19, 2021

Serial Number B636553 was reported as accurate.

Anonymous · April 5, 2021

Serial Number B636553 was reported as accurate.

Anonymous · April 3, 2021

Serial Number B637478 was reported as accurate.

Anonymous · January 7, 2021

Serial Number B637665 was reported as accurate.

Anonymous · December 18, 2020

Serial Number B636762 was reported as accurate.

dar505 22 · December 10, 2020

Serial Number B637478 was reported as accurate.

Anonymous · October 21, 2020

Serial Number B636499 was reported as accurate.

Anonymous · October 4, 2020

Serial Number B636961 was reported as accurate.

Anonymous · August 28, 2020

Serial Number B636007 was reported as accurate.

Anonymous · August 26, 2020

Serial Number B636007 was reported as accurate.

Anonymous · August 20, 2020

Serial Number B636007 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · August 20, 2020

Serial Number B638026 was reported as accurate.

Anonymous · August 16, 2020

Serial Number B636521 was reported as accurate.

Anonymous · July 7, 2020

Serial Number B636449 was reported as accurate.

Anonymous · June 19, 2020

Serial Number B638318 was reported as accurate.

Anonymous · June 18, 2020

Serial Number B637791 was reported as accurate.

Anonymous · May 24, 2020

Serial Number B637266 was reported as accurate.

Anonymous · April 26, 2020

Serial Number B636662 was reported as accurate.

Anonymous · April 25, 2020

Serial Number B636662 was reported as accurate.

quadcitycoin Supporter 73 · April 6, 2020

Serial Number B637266 was reported as accurate.

Anonymous · March 7, 2020

Serial Number B636914 was reported as accurate.

Anonymous · March 7, 2020

Serial Number B636914 was reported as accurate.

Anonymous · February 10, 2020

Serial Number B636415 was reported as accurate.

Anonymous · February 9, 2020

Serial Number B637969 was reported as accurate.

Anonymous · October 25, 2019

Serial Number B637969 was reported as accurate.

Anonymous · October 6, 2019

Serial Number B637637 was reported as accurate.

Anonymous · September 14, 2019

Serial Number B636286 was reported as accurate.

Roamin88 1 · August 1, 2019

Serial Number B636741 was reported as accurate.

Roamin88 1 · August 1, 2019

Serial Number B636741 was reported as inaccurate.

No further details were submitted with the report.

Jmabraham 2 · June 7, 2019

Serial Number B637304 was reported as accurate.

Anonymous · June 6, 2019

Serial Number B638640 was reported as accurate.

Anonymous · May 7, 2019

Serial Number B637708 was reported as accurate.

Anonymous · February 13, 2019

Serial Number B637481 was reported as accurate.

Anonymous · January 29, 2019

Serial Number B637481 was reported as accurate.

Anonymous · January 25, 2019

Serial Number B636659 was reported as accurate.

1caveman Supporter 7 · January 11, 2019

Serial Number B637558 was reported as accurate.

todix144 76 · November 12, 2018

Serial Number B638779 was reported as accurate.

Anonymous · June 17, 2018

Serial Number B637107 was reported as accurate.

Anonymous · March 12, 2018

Serial Number B636497 was reported as accurate.

Anonymous · February 28, 2018

Serial Number B636665 was reported as accurate.

robanoble 36 · December 25, 2017

Serial Number B636665 was reported as accurate.

Anonymous · November 13, 2017

Serial Number B637485 was reported as accurate.

Anonymous · November 12, 2017

Serial Number B636699 was reported as accurate.

amcfarlane Supporter 32 · October 27, 2017

Serial Number B636753 was reported as accurate.

afterhours Supporter 27 · September 29, 2017

Serial Number B636295 was reported as accurate.

Anonymous · September 9, 2017

Serial Number B638331 was reported as accurate.