Pocket Watch Database


From the American Horology Archive:
Hamilton Grade 900 Pocket Watch
Hamilton Grade 900 Pocket Watch

Hamilton Watch Co.

Grade: 900

Only Sold Cased by Hamilton

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 1883059 Question Mark
Grade: 900 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1921 Question Mark
Run Quantity: 2,100 Question Mark
Grade/Model Run: 10 of 15 Question Mark
Grade/Model Total Production: 24,700 Question Mark
Size: 12s Question Mark
Jewels: 19j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Raised Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Barrel: Patent Motor Question Mark
Train Material: Gold Question Mark
Center Wheel Material: Gold Question Mark
Regulator: Micrometer Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire 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
Dial Feet Locations: 10.5, 38.5, 56.0 Question Mark
Movement Markings: Hamilton
Lancaster, Pa.
19 Jewels
Adjusted 5 Positions
Safety Pinion
Case: Various Question Mark
Run ID: 2120.900G10.12S64.121M64.O1523.P610.19J67 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.531 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
74.36 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
32.63 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.232% Question Mark
Registry Population:
Scoped for This Run Only
22 (1.05%) Question Mark
$ Estimated Value (12 Month Change): -6.47% Analyzing 121 Sales Question Mark
Research Note: Pillar Plate Diameter: 1.630"

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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.


dichosa 13 · July 28, 2022

Serial Number 1883454 was reported as accurate.

cranemaker Supporter 83 · March 2, 2022

Serial Number 1883059 was reported as accurate.

Anonymous · March 20, 2021

Serial Number 1884826 was reported as accurate.

Anonymous · June 5, 2020

Serial Number 1883366 was reported as accurate.

Anonymous · September 23, 2019

Serial Number 1883305 was reported as accurate.

Anonymous · September 17, 2019

Serial Number 1882903 was reported as accurate.

Anonymous · August 23, 2019

Serial Number 1883455 was reported as accurate.

Anonymous · May 28, 2019

Serial Number 1883847 was reported as accurate.

Anonymous · August 4, 2017

Serial Number 1883014 was reported as accurate.

Anonymous · April 13, 2017

Serial Number 1884970 was reported as accurate.

Anonymous · February 19, 2017

Serial Number 1884305 was reported as accurate.

Anonymous · December 16, 2016

Serial Number 1883343 was reported as accurate.

Anonymous · December 16, 2016

Serial Number 1884030 was reported as accurate.

Anonymous · June 21, 2016

Serial Number 1884606 was reported as accurate.

Anonymous · June 17, 2016

Serial Number 1884606 was reported as accurate.

Anonymous · October 18, 2015

Serial Number 1883751 was reported as accurate.

Gimparoo Supporter 703 · July 31, 2015

Serial Number 1884781 was reported as accurate.

Anonymous · May 30, 2015

Serial Number 1884781 was reported as accurate.

Anonymous · May 30, 2015

Serial Number 1884781 was reported as accurate.

Anonymous · May 27, 2015

Serial Number 1884706 was reported as accurate.

Anonymous · December 16, 2014

Serial Number 1882975 was reported as accurate.

Anonymous · August 16, 2014

Serial Number 1883614 was reported as accurate.

rclaird 6 · September 6, 2013

Serial Number 1884365 was reported as accurate.

Anonymous · July 12, 2013

Serial Number 1883633 was reported as accurate.

Anonymous · September 10, 2012

Serial Number 1884801 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to Bridge
Hamilton Grade 900 Pocket Watch
Hamilton Grade 900 Pocket Watch