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: 383342 Question Mark
Grade: 990 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 399 Question Mark
Grade/Model Run: 20 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: 859.990G20.16S410.161M376.O459.L497.21J208 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.427 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
13 (3.26%) Question Mark
$ Estimated Value (12 Month Change): 2.73% Analyzing 203 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 · January 10, 2023

Serial Number 383506 was reported as inaccurate.

Note: This Hamilton states it’s an open face but the
one I have winds at the 3 position so is more made
for a hunter case ?
Curator Response: Thanks for the report. There are several verified observations from this run indicating an open face movement. It is possible that your watch is fitted with a conversion dial. Feel free to upload images for further evaluation and documenation.

Anonymous · June 15, 2021

Serial Number 383699 was reported as accurate.

Anonymous · March 27, 2021

Serial Number 383641 was reported as accurate.

danswatch 2 · April 11, 2020

Serial Number 383386 was reported as accurate.

Anonymous · April 30, 2019

Serial Number 383617 was reported as accurate.

Anonymous · July 6, 2018

Serial Number 383369 was reported as accurate.

MichaelB 150 · November 15, 2017

Serial Number 383426 was reported as accurate.

Anonymous · November 15, 2017

Serial Number 383572 was reported as accurate.

Anonymous · November 9, 2017

Serial Number 383572 was reported as accurate.

Anonymous · November 3, 2017

Serial Number 383572 was reported as accurate.

Anonymous · July 7, 2017

Serial Number 383529 was reported as accurate.

la81la81 2 · June 2, 2017

Serial Number 383453 was reported as accurate.

Anonymous · April 26, 2017

Serial Number 383451 was reported as accurate.

Anonymous · March 1, 2017

Serial Number 383529 was reported as accurate.

Gimparoo Supporter 703 · September 25, 2016

Serial Number 383516 was reported as accurate.

Gimparoo Supporter 703 · September 24, 2016

Serial Number 383616 was reported as accurate.

rock862 242 · June 24, 2016

Serial Number 383518 was reported as accurate.

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

Anonymous · January 11, 2015

Serial Number 383342 was reported as accurate.

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

Anonymous · June 18, 2014

Serial Number 383664 was reported as accurate.

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

Anonymous · February 4, 2014

Serial Number 383677 was reported as accurate.

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

Anonymous · September 2, 2013

Serial Number 383335 was reported as accurate.

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

Anonymous · April 27, 2013

Serial Number 383603 was reported as accurate.

Hamilton Grade 990 Pocket Watch