Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 920 Pocket Watch

Hamilton Watch Co.

Grade: 920

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 1912319 Question Mark
Grade: 920 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: 12s Question Mark
Jewels: 23j 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: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Jeweled Motor Question Mark
Balance Type: Compensation Question Mark
Train Material: Login to View Question Mark
Center Wheel Material: Login to View Question Mark
Regulator: Login to View Question Mark
Hairspring: Login to View Question Mark
Pallet Jewel Material: Sapphire 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: 2137.920G13.12S81.121M81.O1540.P627.23J52 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
31 (1.55%) Question Mark
Research Note:
17 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, Train Material, Center Wheel Material, Regulator Type, Hairspring, 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.


tctimepieces Supporter 124 · September 24, 2023

Serial Number 1912898 was reported as accurate.

Anonymous · April 7, 2023

Serial Number 1911865 was reported as accurate.

Anonymous · February 21, 2023

Serial Number 1912040 was reported as accurate.

Anonymous · August 22, 2020

Serial Number 1912060 was reported as accurate.

Anonymous · July 16, 2020

Serial Number 1911415 was reported as accurate.

Anonymous · July 15, 2019

Serial Number 1912753 was reported as accurate.

Anonymous · June 2, 2019

Serial Number 1911562 was reported as accurate.

Anonymous · August 28, 2018

Serial Number 1912899 was reported as accurate.

Anonymous · April 3, 2018

Serial Number 1911441 was reported as accurate.

Anonymous · September 15, 2017

Serial Number 1912612 was reported as accurate.

von1943 Supporter 402 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 402 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 402 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 402 · June 8, 2017

Serial Number 1911506 was reported as accurate.

Anonymous · May 20, 2017

Serial Number 1912428 was reported as accurate.

Anonymous · May 11, 2017

Serial Number 1911441 was reported as accurate.

Anonymous · December 21, 2016

Serial Number 1912470 was reported as accurate.

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

Anonymous · December 15, 2016

Serial Number 1912824 was reported as accurate.

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

Anonymous · September 10, 2016

Serial Number 1912826 was reported as accurate.

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

Anonymous · April 26, 2016

Serial Number 1911042 was reported as accurate.

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

Anonymous · March 25, 2016

Serial Number 1912899 was reported as accurate.

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

Anonymous · March 1, 2016

Serial Number 1912753 was reported as inaccurate.

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

Anonymous · December 16, 2014

Serial Number 1912120 was reported as accurate.

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

jeromeschley 60 · November 3, 2014

Serial Number 1911313 was reported as accurate.

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

Anonymous · April 3, 2014

Serial Number 1911935 was reported as accurate.

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

Anonymous · March 19, 2014

Serial Number 1912246 was reported as accurate.

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

Anonymous · January 6, 2013

Serial Number 1911048 was reported as inaccurate.

Note: Has a 3/4 plate and a jeweled motor barrel
mainspring.

Anonymous · December 31, 2012

Serial Number 1912737 was reported as accurate.

Anonymous · December 15, 2012

Serial Number 1911347 was reported as accurate.

Anonymous · April 19, 2012

Serial Number 1911666 was reported as accurate.

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

Anonymous · April 12, 2012

Serial Number 1912749 was reported as accurate.

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

Anonymous · April 12, 2012

Serial Number 1912749 was reported as accurate.

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

Anonymous · April 12, 2012

Serial Number 1912749 was reported as accurate.

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

Anonymous · April 12, 2012

Serial Number 1912749 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 920 Pocket Watch