Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 975 Pocket Watch

Hamilton Watch Co.

Grade: 975

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 351581 Question Mark
Grade: 975 Question Mark
Model: 1 Question Mark
Class: 5 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 56 of 123 Question Mark
Grade/Model Total Production: 80,179 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 797.975G56.16S349.161M317.H371.P237.17J489 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.479 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
241.40 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
105.92 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.752% Question Mark
Registry Population:
Scoped for This Run Only
16 (1.60%) 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.


Anonymous · January 14, 2023

Serial Number 351662 was reported as accurate.

MIKEKTYLER Supporter 128 · October 28, 2022

Serial Number 351542 was reported as accurate.

Anonymous · October 7, 2020

Serial Number 351392 was reported as accurate.

Anonymous · June 30, 2020

Serial Number 351830 was reported as accurate.

Anonymous · February 18, 2020

Serial Number 351956 was reported as accurate.

Anonymous · January 27, 2020

Serial Number 351839 was reported as accurate.

Anonymous · June 6, 2019

Serial Number 351907 was reported as accurate.

Anonymous · May 11, 2019

Serial Number 351889 was reported as accurate.

Anonymous · April 4, 2016

Serial Number 351143 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1

toolman47 1 · September 13, 2014

Serial Number 351228 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1

Anonymous · January 6, 2013

Serial Number 351832 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1
Movement Setting changed from Lever to Pendant
Hamilton Grade 975 Pocket Watch