Pocket Watch Database

We noticed that you entered a relatively short serial number.
"4383" 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 934 Pocket Watch Movement

Hamilton Watch Co.

Grade: 934

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 4383
Grade: 934
Model: 1
Class: 2
Estimated Production Year: 1894
Run Quantity: 800
Total Production: 6,513
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Regulator: Goldthwait
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 2.6, 18.0, 38.2
Data Research: 1953 Hamilton Serial List

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Data Verification Reports

4301
Verification Serial Map
5100

Anonymous · April 22, 2021

Serial Number 4408 was reported as accurate.

Anonymous · April 21, 2021

Serial Number 4823 was reported as accurate.

Anonymous · August 18, 2020

Serial Number 4962 was reported as accurate.

Gimparoo 695 · February 19, 2019

Serial Number 4709 was reported as accurate.

Anonymous · October 10, 2018

Serial Number 4898 was reported as accurate.

Anonymous · October 9, 2018

Serial Number 4350 was reported as accurate.

Gimparoo 695 · April 29, 2018

Serial Number 4383 was reported as accurate.

nicnic 190 · March 2, 2018

Serial Number 5046 was reported as accurate.

Anonymous · February 19, 2017

Serial Number 4529 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

jacobwalls07 143 · February 15, 2017

Serial Number 4740 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

jacobwalls07 143 · February 13, 2017

Serial Number 4740 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · January 1, 2017

Serial Number 4698 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · March 12, 2016

Serial Number 4899 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · February 10, 2016

Serial Number 4899 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · January 28, 2015

Serial Number 4992 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Railroad Grade changed from Yes to No

Dondon 13 · January 6, 2015

Serial Number 5058 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · December 10, 2014

Serial Number 4533 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · April 1, 2014

Serial Number 4992 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · June 15, 2013

Serial Number 4992 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Railroad Grade changed from Yes to No
Plate changed from Unknown to Full

Anonymous · June 15, 2013

Serial Number 4564 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · January 8, 2013

Serial Number 4992 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Railroad Grade changed from Yes to No
Plate changed from Unknown to Full

Anonymous · January 3, 2013

Serial Number 4533 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · December 17, 2012

Serial Number 4362 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · December 17, 2012

Serial Number 4362 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No
Hamilton Grade 934 Pocket Watch Movement