Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 920 Pocket Watch

Hamilton Watch Co.

Grade: 920

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 1831879 Question Mark
Grade: 920 Question Mark
Model: 1 Question Mark
Estimated Production Year: Members Only Data Question Mark
Run Quantity: Members Only Data Question Mark
Grade/Model Run: Members Only Data Question Mark
Grade/Model Total Production: Members Only Data Question Mark
Size: 12s Question Mark
Jewels: 23j Question Mark
Jewel Material: Members Only Data Question Mark
Jewel Setting: Members Only Data Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Balance Type: Compensation Question Mark
Train Material: Members Only Data Question Mark
Center Wheel Material: Members Only Data Question Mark
Regulator: Members Only Data Question Mark
Hairspring: Members Only Data Question Mark
Pallet Jewel Material: Sapphire Question Mark
Adjusted: Members Only Data Question Mark
Adjusted to Position: Members Only Data Question Mark
Adjusted # of Positions: Members Only Data Question Mark
Adjusted to Temperature: Members Only Data Question Mark
Adjusted to Isochronism: Members Only Data Question Mark
Railroad Grade: Members Only Data Question Mark
Dial Feet Locations: Members Only Data Question Mark
Case: Various Question Mark
Run ID: 2083.920G5.12S27.121M27.O1486.P573.23J44 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.642 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only
16 (1.60%) Question Mark
Research Note:
17 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Jewel Material, Jewel Setting, Train Material, Center Wheel Material, Regulator Type, Hairspring, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Dial Feet Locations

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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.


tctimepieces Supporter 124 · August 27, 2023

Serial Number 1831879 was reported as accurate.

Anonymous · January 27, 2021

Serial Number 1831448 was reported as accurate.

ralph1 117 · July 8, 2020

Serial Number 1831179 was reported as accurate.

Anonymous · January 3, 2019

Serial Number 1831296 was reported as accurate.

DoodleBug 36 · July 3, 2017

Serial Number 1831349 was reported as accurate.

Anonymous · March 4, 2016

Serial Number 1831025 was reported as accurate.

Anonymous · March 4, 2016

Serial Number 1831025 was reported as accurate.

Jbrewer 2 · August 18, 2015

Serial Number 1831874 was reported as accurate.

Anonymous · August 14, 2015

Serial Number 1831025 was reported as accurate.

Anonymous · March 12, 2013

Serial Number 1831438 was reported as accurate.

Anonymous · October 20, 2012

Serial Number 1831486 was reported as accurate.

Anonymous · October 14, 2012

Serial Number 1831486 was reported as inaccurate.

Note: This movement has a MOTOR BARREL. All else is
correct.
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · June 20, 2012

Serial Number 1831567 was reported as accurate.

Hamilton Grade 920 Pocket Watch