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: 1912898 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: 13 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
Barrel: Jeweled Motor 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: 2137.920G13.12S81.121M81.O1540.P627.23J52 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.457 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
31 (1.55%) 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.


tctimepieces Supporter 112 · 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 376 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 376 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 376 · June 11, 2017

Serial Number 1911506 was reported as accurate.

von1943 Supporter 376 · 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