Pocket Watch Database


From the American Horology Archive:

Hamilton Watch Co.

Grade: 977

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 79378 Question Mark
Grade: 977 Question Mark
Model: 1 Question Mark
Class: 5 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 21 of 22 Question Mark
Grade/Model Total Production: 5,730 Question Mark
Size: 16s Question Mark
Jewels: 16j 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
Adjusted: No 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: 320.977G21.16S162.161M143.H151.P125.16J76 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.470 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.25 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.57 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.054% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.50%) 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 · November 5, 2023

Serial Number 79390 was reported as accurate.

Anonymous · November 4, 2023

Serial Number 79390 was reported as accurate.

dcooper Supporter 230 · August 23, 2022

Serial Number 79378 was reported as accurate.

Anonymous · July 24, 2018

Serial Number 79552 was reported as accurate.

Anonymous · May 13, 2017

Serial Number 79421 was reported as accurate.

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

Anonymous · April 5, 2016

Serial Number 79573 was reported as inaccurate.

Note: it is railroad grade & 21 jewels
Curator Response: Thanks for the information. Is the movement marked "21 Jewels"?
Changes since this report was submitted:
Factory Model changed from 2 to 1

Anonymous · September 1, 2015

Serial Number 79321 was reported as accurate.

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

Anonymous · December 17, 2012

Serial Number 79616 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 16j
Factory Model changed from 2 to 1