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: 1921729 Question Mark
Grade: 920 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 14 of 15 Question Mark
Grade/Model Total Production: 14,600 Question Mark
Size: 12s Question Mark
Jewels: 23j Question Mark
Jewel Material: Ruby or Ruby & Sapphire Question Mark
Jewel Setting: Gold Settings (Screw-Set) 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
Balance Type: Compensation Question Mark
Train Material: Gold Question Mark
Center Wheel Material: Gold Question Mark
Regulator: Reed 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
Case: Various Question Mark
Run ID: 2140.920G14.12S84.121M84.O1543.P630.23J53 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
43.95 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
19.28 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.137% Question Mark
Registry Population:
Scoped for This Run Only
30 (1.50%) Question Mark
$ Estimated Value (12 Month Change): 7.88% Analyzing 74 Sales Question Mark
Research Note:

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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 · December 28, 2023

Serial Number 1921568 was reported as accurate.

okiejohn 385 · October 26, 2023

Serial Number 1921666 was reported as accurate.

bashort1 Supporter 13 · March 1, 2023

Serial Number 1921640 was reported as accurate.

Anonymous · September 14, 2022

Serial Number 1920883 was reported as accurate.

Anonymous · June 8, 2022

Serial Number 1921317 was reported as accurate.

Anonymous · December 6, 2021

Serial Number 1920538 was reported as accurate.

Anonymous · March 10, 2021

Serial Number 1920608 was reported as accurate.

Anonymous · May 27, 2020

Serial Number 1921484 was reported as accurate.

Rcardkidz 4047 · May 26, 2020

Serial Number 1920804 was reported as accurate.

Anonymous · December 18, 2019

Serial Number 1920883 was reported as accurate.

Anonymous · June 7, 2019

Serial Number 1920119 was reported as accurate.

Anonymous · September 3, 2018

Serial Number 1920645 was reported as accurate.

Anonymous · March 28, 2018

Serial Number 1921853 was reported as accurate.

Don0718 Supporter 1 · January 28, 2018

Serial Number 1921785 was reported as accurate.

Anonymous · October 17, 2017

Serial Number 1921840 was reported as accurate.

Anonymous · June 27, 2017

Serial Number 1920047 was reported as accurate.

Anonymous · May 27, 2017

Serial Number 1921411 was reported as accurate.

Anonymous · February 28, 2017

Serial Number 1921234 was reported as accurate.

Anonymous · December 26, 2016

Serial Number 1920255 was reported as accurate.

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

Zookman 2 · July 30, 2016

Serial Number 1920980 was reported as accurate.

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

nnkbros90 28 · July 11, 2016

Serial Number 1920695 was reported as accurate.

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

Anonymous · June 7, 2016

Serial Number 1920008 was reported as accurate.

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

Anonymous · June 4, 2016

Serial Number 1920006 was reported as accurate.

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

Anonymous · February 25, 2016

Serial Number 1920876 was reported as accurate.

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

Anonymous · October 4, 2015

Serial Number 1920048 was reported as accurate.

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

Anonymous · August 11, 2015

Serial Number 1921982 was reported as accurate.

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

Anonymous · July 19, 2015

Serial Number 1921137 was reported as accurate.

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

Anonymous · April 9, 2015

Serial Number 1921226 was reported as accurate.

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

Jshapco2 2 · July 16, 2014

Serial Number 1921877 was reported as inaccurate.

Note: Movement finish is silver plated
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 16, 2014

Serial Number 1921877 was reported as accurate.

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

Anonymous · January 9, 2014

Serial Number 1921325 was reported as accurate.

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

Anonymous · January 1, 2014

Serial Number 1921325 was reported as accurate.

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

Anonymous · September 20, 2013

Serial Number 1920424 was reported as accurate.

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

Anonymous · July 23, 2013

Serial Number 1921153 was reported as accurate.

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

Anonymous · June 26, 2013

Serial Number 1921164 was reported as accurate.

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

Anonymous · May 29, 2013

Serial Number 1920360 was reported as accurate.

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

Anonymous · April 7, 2013

Serial Number 1920424 was reported as accurate.

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

Anonymous · April 2, 2013

Serial Number 1920424 was reported as accurate.

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

Anonymous · January 16, 2013

Serial Number 1921669 was reported as accurate.

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

Anonymous · April 19, 2012

Serial Number 1920009 was reported as accurate.

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