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: 90142 Question Mark
Grade: 999 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1899 Question Mark
Run Quantity: 850 Question Mark
Grade/Model Run: 7 of 24 Question Mark
Grade/Model Total Production: 22,750 Question Mark
Size: 18s Question Mark
Jewels: 17j 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: 360.999G7.18S166.181M84.O189.L160.17J219 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.636 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
68.94 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
13 (1.53%) 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.


burkherm 1 · May 16, 2018

Serial Number 90142 was reported as accurate.

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

Anonymous · June 19, 2017

Serial Number 90773 was reported as accurate.

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

Anonymous · December 4, 2016

Serial Number 90450 was reported as accurate.

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

jmarc70 5 · September 15, 2013

Serial Number 90911 was reported as inaccurate.

Note: 17j
Changes since this report was submitted:
Size changed from 16 to 18
Jewels changed from 21j to 17j
Plate changed from 3/4 to Full
Hamilton Grade 999 Pocket Watch