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: 833900 Question Mark
Grade: 990 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 35 of 39 Question Mark
Grade/Model Total Production: 12,599 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire Question Mark
Standard Dial Type: Double-Sunk 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: Yes Question Mark
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 1323.990G35.16S650.161M600.O826.L872.21J360 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.479 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.93 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.64 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.118% Question Mark
Registry Population:
Scoped for This Run Only
22 (2.20%) Question Mark
$ Estimated Value (12 Month Change): 5.99% Analyzing 204 Sales Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


cjbrem Supporter 930 · November 4, 2024

Serial Number 833580 was reported as accurate.

PHIL1199 Supporter 1137 · August 2, 2024

Serial Number 833193 was reported as accurate.

Anonymous · May 18, 2024

Serial Number 833892 was reported as accurate.

strikeph Supporter 24 · May 9, 2024

Serial Number 833193 was reported as accurate.

awalker1829 Supporter 74 · November 5, 2023

Serial Number 833357 was reported as accurate.

Anonymous · June 6, 2021

Serial Number 833429 was reported as accurate.

Anonymous · December 18, 2020

Serial Number 833850 was reported as accurate.

Anonymous · October 4, 2020

Serial Number 833471 was reported as accurate.

Meandean328 1 · January 7, 2020

Serial Number 833142 was reported as accurate.

Anonymous · August 9, 2019

Serial Number 833543 was reported as accurate.

Anonymous · July 27, 2019

Serial Number 833330 was reported as accurate.

Anonymous · April 28, 2019

Serial Number 833770 was reported as accurate.

Anonymous · November 30, 2018

Serial Number 833257 was reported as accurate.

Anonymous · July 9, 2018

Serial Number 833553 was reported as accurate.

Anonymous · June 10, 2018

Serial Number 833974 was reported as accurate.

Anonymous · November 5, 2017

Serial Number 833686 was reported as accurate.

Anonymous · August 14, 2017

Serial Number 833312 was reported as accurate.

MichaelB 150 · March 4, 2017

Serial Number 833861 was reported as inaccurate.

Note: Mvmt is clearly marked double roller
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 22, 2016

Serial Number 833966 was reported as accurate.

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

Anonymous · December 10, 2016

Serial Number 833966 was reported as accurate.

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

Anonymous · October 18, 2016

Serial Number 833281 was reported as accurate.

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

Anonymous · August 6, 2016

Serial Number 833966 was reported as accurate.

Anonymous · June 10, 2016

Serial Number 833587 was reported as accurate.

Anonymous · July 7, 2015

Serial Number 833929 was reported as accurate.

Anonymous · May 4, 2015

Serial Number 833543 was reported as accurate.

Gasperoff Supporter 727 · March 18, 2015

Serial Number 833728 was reported as accurate.

ron1920 3 · January 23, 2014

Serial Number 833419 was reported as accurate.

Anonymous · September 15, 2013

Serial Number 833505 was reported as accurate.

PawPaw 13 · August 9, 2013

Serial Number 833798 was reported as accurate.

Anonymous · July 15, 2012

Serial Number 833052 was reported as inaccurate.

Note: all data correct, additionally, the barrel bridge
states/inscribes "double roller"
Changes since this report was submitted:
Double Roller changed from No to Yes
Plate changed from Unknown to 3/4
Hamilton Grade 990 Pocket Watch