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: 810245 Question Mark
Grade: 990 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 32 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
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: 1293.990G32.16S620.161M570.O800.L856.21J351 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.467 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
9 (3.00%) Question Mark
$ Estimated Value (12 Month Change): 3.79% 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.


Anonymous · May 20, 2023

Serial Number 810040 was reported as accurate.

dwmakos 8 · April 14, 2019

Serial Number 810222 was reported as inaccurate.

Note: The movement gears are all solid pink gold, It's
fully including winding gears are Damaskeened,
Gold Jewel Settings, Double roller
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

dwmakos 8 · April 14, 2019

Serial Number 810222 was reported as accurate.

Anonymous · April 12, 2019

Serial Number 810222 was reported as accurate.

Anonymous · February 8, 2019

Serial Number 810222 was reported as accurate.

dfchong 837 · October 10, 2017

Serial Number 810183 was reported as accurate.

Anonymous · October 8, 2017

Serial Number 810183 was reported as accurate.

dfchong 837 · October 3, 2017

Serial Number 810183 was reported as accurate.

Anonymous · December 19, 2015

Serial Number 810213 was reported as accurate.

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

Anonymous · November 19, 2015

Serial Number 810253 was reported as accurate.

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

Anonymous · September 10, 2015

Serial Number 810256 was reported as accurate.

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

Anonymous · September 12, 2013

Serial Number 810256 was reported as accurate.

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

Anonymous · August 6, 2013

Serial Number 810256 was reported as accurate.

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

Anonymous · April 8, 2013

Serial Number 810021 was reported as accurate.

Anonymous · April 8, 2013

Serial Number 810021 was reported as accurate.

Anonymous · April 8, 2013

Serial Number 810021 was reported as accurate.

Hamilton Grade 990 Pocket Watch