Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 999 Pocket Watch

Hamilton Watch Co.

Grade: 999

Ball Watch Co.

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 28907 Question Mark
Grade: 999 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 5 of 24 Question Mark
Grade/Model Total Production: 22,750 Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 2.6, 18.0, 38.2 Question Mark
Case: Various Question Mark
Run ID: 99.999G5.18S99.181M51.O51.L93.21J1 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
68.49 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
30.05 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.214% Question Mark
Registry Population:
Scoped for This Run Only
14 (1.40%) Question Mark

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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.


IndyDee 2 · September 27, 2024

Serial Number 28907 was reported as accurate.

Anonymous · August 18, 2020

Serial Number 28262 was reported as accurate.

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

Anonymous · April 30, 2020

Serial Number 28071 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 · March 9, 2020

Serial Number 28040 was reported as accurate.

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

r72gsaol 37 · December 21, 2019

Serial Number 28603 was reported as accurate.

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

Anonymous · October 10, 2017

Serial Number 28042 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 · December 17, 2014

Serial Number 28151 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from 16 to 18
Plate changed from 3/4 to Full

Anonymous · August 12, 2014

Serial Number 28128 was reported as accurate.

Changes since this report was submitted:
Size changed from 16 to 18
Plate changed from 3/4 to Full

12234566 1 · November 13, 2013

Serial Number 28958 was reported as inaccurate.

Note: Serial #28958
? Movement #
Changes since this report was submitted:
Size changed from 16 to 18
Plate changed from 3/4 to Full

Anonymous · July 29, 2012

Serial Number 28822 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from 16 to 18
Factory Model changed from 0 to 1
Adjusted # Positions changed from 5 to 6
Railroad Grade changed from No to Yes
Plate changed from Unknown to Full
Hamilton Grade 999 Pocket Watch