Pocket Watch Database


From the American Horology Archive:
Hamilton Grade 990 Pocket Watch

Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 342299 Question Mark
Grade: 990 Question Mark
Model: 1 Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Material: Login to View Question Mark
Jewel Setting: Login to View Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Regulator: Login to View Question Mark
Hairspring: Login to View Question Mark
Pallet Jewel Material: Sapphire Question Mark
Standard Dial Type: Login to View Question Mark
Adjusted: Login to View Question Mark
Adjusted to Position: Login to View Question Mark
Adjusted # of Positions: Login to View Question Mark
Adjusted to Temperature: Login to View Question Mark
Adjusted to Isochronism: Login to View Question Mark
Railroad Grade: Login to View Question Mark
Dial Feet Locations: Login to View Question Mark
Case: Various Question Mark
Run ID: 773.990G9.16S325.161M293.O408.L462.21J170 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
9 (3.00%) Question Mark
$ Estimated Value (12 Month Change): 6.31% Analyzing 208 Sales Question Mark
16 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, Regulator Type, Hairspring, Standard Dial Type, 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.


Anonymous · August 3, 2022

Serial Number 342049 was reported as accurate.

Anonymous · June 11, 2022

Serial Number 342147 was reported as accurate.

Anonymous · August 24, 2021

Serial Number 342210 was reported as accurate.

Anonymous · February 17, 2021

Serial Number 342237 was reported as accurate.

Anonymous · October 26, 2019

Serial Number 342261 was reported as accurate.

MichaelB 150 · April 30, 2017

Serial Number 342299 was reported as accurate.

Anonymous · July 19, 2014

Serial Number 342297 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · February 28, 2014

Serial Number 342070 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · May 1, 2013

Serial Number 342108 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to 3/4
Hamilton Grade 990 Pocket Watch