Ball - Hamilton Pocket Watch: Serial Number B635141 (Grade 999P)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball-hamilton/B635141

Access Date: April 18, 2024

From the American Horology Archive:

Ball - Hamilton

Grade: 999P

Manufacturer:	Ball - Hamilton
Movement Serial Number:	B635141
Grade:	999P
Model:	1
Estimated Production Year:	1929
Run Quantity:	2,000
Grade/Model Run:	8 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:	v52.235
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	121.33
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:	13 (0.65%)
Research Note: Hamilton Hairspring Stud

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.

MoatsJustin1 top-contributor 4691 · November 24, 2023

Serial Number B635475 was reported as accurate.

2mnyboxers Supporter 399 · February 1, 2022

Serial Number B635141 was reported as accurate.

Anonymous · October 14, 2021

Serial Number B634311 was reported as inaccurate.

Note: The movement is engraved 23 jewels and the
msinspring arbor is jeweled. Serial № B634311.

Anonymous · October 5, 2021

Serial Number B634580 was reported as accurate.

jcammaro 68 · December 8, 2020

Serial Number B635190 was reported as inaccurate.

Note: I had a hard time reading the serial on this
movement. The website has been changed since iv
been here last. I dont see a contact link or a
home page. The ser# lookup has malfunction when
using a smartphone. Anyway my movent says Ball
Watch co. Cleveland, O. Also says official
Standard. I dont see 992 any place. I own other
992 hamiltons but this movement size 16 does not
say hamilton at all. Would like for you to look at
it and tell me if i got ser# correct. Truth is iv
been not collecting much any longer since i had
health issues and my vision has declined. Hard to
be a pocket watch maker with neuropathy in the
hands and poor vision. I do miss it though....tnx.
jc