Pocket Watch Database

We noticed that you entered a relatively short serial number.
"7427" 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 937 Pocket Watch

Hamilton Watch Co.

Grade: 937

Private Label(s) in Run:

F.G. Thearle Jr & Co. - Chicago, Ill.
Edward Moulton - Worcester, Mass.

What is a Private Label?
Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 7427 Question Mark
Grade: 937 Question Mark
Model: 2 Question Mark
Class: 2 Question Mark
Estimated Production Year: 1895 Question Mark
Run Quantity: 590 Question Mark
Grade/Model Run: 5 of 23 Question Mark
Grade/Model Total Production: 8,306 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Regulator: Goldthwait Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: No Question Mark
Railroad Grade Classification: Class C Question Mark
Dial Feet Locations: 2.6, 18.0, 38.2 Question Mark
U.S. Patents: 832672, 427072 Question Mark
Case: Various Question Mark
Run ID: 29.937G5.18S29.182M14.H14.L29.17J17 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
25.00 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.97 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.078% Question Mark
Registry Population:
Scoped for This Run Only
11 (1.86%) Question Mark
$ Estimated Value (12 Month Change): -5.39% Analyzing 73 Sales Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · December 30, 2023

Serial Number 7292 was reported as accurate.

Anonymous · September 12, 2023

Serial Number 7291 was reported as accurate.

Anonymous · July 15, 2022

Serial Number 7526 was reported as accurate.

cmdraven 4045 · June 4, 2022

Serial Number 7526 was reported as accurate.

Anonymous · March 3, 2020

Serial Number 7352 was reported as accurate.

Anonymous · February 8, 2019

Serial Number 7095 was reported as accurate.

bjeans01 Supporter 54 · January 30, 2019

Serial Number 7085 was reported as accurate.

Anonymous · May 3, 2018

Serial Number 7436 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 1, 2018

Serial Number 7495 was reported as accurate.

Anonymous · March 1, 2018

Serial Number 7495 was reported as accurate.

Gimparoo Supporter 703 · February 17, 2018

Serial Number 7132 was reported as accurate.

Mobilaero Top Contributor Supporter 307 · March 1, 2017

Serial Number 7427 was reported as accurate.

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

ravenwood 1 · February 21, 2017

Serial Number 7059 was reported as accurate.

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

Anonymous · February 21, 2017

Serial Number 7057 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · April 30, 2016

Serial Number 7317 was reported as accurate.

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

Anonymous · August 28, 2015

Serial Number 7553 was reported as accurate.

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

Anonymous · January 21, 2015

Serial Number 7192 was reported as accurate.

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

Anonymous · July 22, 2014

Serial Number 7576 was reported as accurate.

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

Anonymous · July 22, 2014

Serial Number 7577 was reported as accurate.

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

Anonymous · January 24, 2014

Serial Number 007511 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · March 8, 2013

Serial Number 7044 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No
Hamilton Grade 937 Pocket Watch