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: 850793 Question Mark
Grade: 990 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 38 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: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 1356.990G38.16S683.161M628.O853.L891.21J368 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.433 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
15 (3.00%) Question Mark
$ Estimated Value (12 Month Change): 3.79% Analyzing 204 Sales Question Mark

Help Us Help Others By Improving the Database:

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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.


Snapper Supporter 145 · September 2, 2024

Serial Number 850469 was reported as accurate.

Anonymous · March 26, 2023

Serial Number 850674 was reported as accurate.

rmwatchandclock Supporter 371 · August 31, 2022

Serial Number 850717 was reported as accurate.

Anonymous · March 15, 2021

Serial Number 850664 was reported as accurate.

Anonymous · August 3, 2020

Serial Number 850329 was reported as accurate.

Anonymous · February 9, 2019

Serial Number 850308 was reported as accurate.

Anonymous · January 19, 2019

Serial Number 850513 was reported as accurate.

Anonymous · January 14, 2017

Serial Number 850528 was reported as accurate.

Anonymous · November 24, 2016

Serial Number 850696 was reported as accurate.

Anonymous · November 5, 2016

Serial Number 850652 was reported as accurate.

daddo46 992 · November 1, 2016

Serial Number 850696 was reported as accurate.

Anonymous · January 4, 2015

Serial Number 850457 was reported as accurate.

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

Firebirdjeff 41 · September 26, 2014

Serial Number 850793 was reported as accurate.

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

Anonymous · January 26, 2014

Serial Number 850527 was reported as accurate.

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

Anonymous · October 6, 2013

Serial Number 850370 was reported as accurate.

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

Anonymous · March 25, 2013

Serial Number 850527 was reported as inaccurate.

Note: 3/4 plate
Changes since this report was submitted:
Plate changed from Unknown to 3/4

Anonymous · February 23, 2013

Serial Number 850527 was reported as accurate.

Anonymous · January 12, 2013

Serial Number 850719 was reported as accurate.

Hamilton Grade 990 Pocket Watch