Pocket Watch Database

We noticed that you entered a relatively short serial number.
"5278" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Hamilton Grade 926 Pocket Watch

Hamilton Watch Co.

Grade: 926

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 5278 Question Mark
Grade: 926 Question Mark
Model: 1 Question Mark
Class: 3 Question Mark
Estimated Production Year: 1896 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 1 of 87 Question Mark
Grade/Model Total Production: 83,406 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Goldthwait Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 2.6, 18.0, 38.2 Question Mark
Case: Various Question Mark
Run ID: 21.926G1.18S21.181M9.O9.L21.17J11 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.555 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
251.23 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
110.18 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.783% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.33%) Question Mark
$ Estimated Value (12 Month Change): -10.81% Analyzing 680 Sales 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.


2mnyboxers Supporter 408 · September 30, 2023

Serial Number 5153 was reported as accurate.

Anonymous · March 22, 2021

Serial Number 5222 was reported as accurate.

tturner770 18 · August 18, 2020

Serial Number 5278 was reported as accurate.

Anonymous · February 5, 2018

Serial Number 5313 was reported as accurate.

Gimparoo Supporter 703 · February 11, 2017

Serial Number 5388 was reported as accurate.

Anonymous · September 12, 2014

Serial Number 5345 was reported as accurate.

Anonymous · October 29, 2012

Serial Number 5184 was reported as inaccurate.

Note: mine shows 21j
Changes since this report was submitted:
Plate changed from Unknown to Full
Hamilton Grade 926 Pocket Watch