Pocket Watch Database

From the American Horology Archive:
Ball - Hamilton Grade 999B Pocket Watch

Ball - Hamilton

Grade: 999B

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 13262 Question Mark
Grade: 999B Question Mark
Model: 1 Question Mark
Estimated Production Year: 1895 Question Mark
Run Quantity: 330 Question Mark
Grade/Model Run: 1 of 21 Question Mark
Grade/Model Total Production: 3,300 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Ball Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
U.S. Patents: D26267, D24446 Question Mark
Movement Markings: Official RR Standard
Ball & Co. Cleveland.
Adjusted
17 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented [Some Marked with Nov.17.96]
Case: Various Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
9.93 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
74.97 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.861% Question Mark
Registry Population:
Scoped for This Run Only
4 (1.21%) Question Mark
Research Note: Patented Pierced "Balloon" Hands. , “Patented” on Barrel Bridge

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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 · March 2, 2019

Serial Number 13177 was reported as accurate.

Anonymous · April 21, 2018

Serial Number 13387 was reported as accurate.

Anonymous · January 14, 2017

Serial Number 13136 was reported as inaccurate.

Note: all your pictures are of 999 b ,16 size these 999b
,18 size are adj. to 5 pos. and this watch is
marked BALL & CO. CLEAVELAND

Anonymous · October 18, 2016

Serial Number 13347 was reported as inaccurate.

Note: full plate
Changes since this report was submitted:
Plate changed from 3/4 to Full

Anonymous · August 9, 2015

Serial Number 13245 was reported as inaccurate.

Note: full plate 18s
Changes since this report was submitted:
Plate changed from 3/4 to Full

Anonymous · July 8, 2014

Serial Number 13143 was reported as inaccurate.

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

Anonymous · July 8, 2014

Serial Number 13143 was reported as accurate.

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

eparso 59 · December 23, 2013

Serial Number 13202 was reported as accurate.

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

eparso 59 · December 19, 2013

Serial Number 13151 was reported as accurate.

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

eparso 59 · December 18, 2013

Serial Number 13153 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Full
Ball - Hamilton Grade 999B Pocket Watch