Pocket Watch Database

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

Ball - Hamilton

Grade: 999D

Manufacturer: Ball - Hamilton
Movement Serial Number: 42342
Grade: 999D
Model: 1
Estimated Production Year: 1898
Run Quantity: 50
Grade/Model Run: 8 of 8
Grade/Model Total Production: 365
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Sunburst In Circle
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Regulator: Ball
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D26267, 565955
Movement Markings: Official BofFLE Standard
Ball & Co. Cleveland.
Adjusted
17 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented Nov.17.96
Pat.Aug18'96
Case: Various
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.10
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
8.19
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.316%
Registry Population: 1 (2.00%)
Research Note: Brotherhood of Locomotive Firemen, Hamilton Hairspring Stud

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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.


Durant1 39 · October 27, 2022

Serial Number 42342 was reported as inaccurate.

Note: Description is accurate, but someone has replaced
the original Barrel Plate with an ORRS plate form
another movement( different serial number on the
barrel plate from the movement serial number.

Anonymous · March 16, 2019

Serial Number 42312 was reported as accurate.

Anonymous · March 16, 2019

Serial Number 42312 was reported as accurate.

Anonymous · July 22, 2017

Serial Number 42342 was reported as accurate.

Ball - Hamilton Grade 999D Pocket Watch