Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 990 Pocket Watch

Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 330401
Grade: 990
Model: 1
Estimated Production Year: 1905
Run Quantity: 400
Grade/Model Run: 6 of 39
Grade/Model Total Production: 12,599
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 736.990G6.16S288.161M256.O391.L451.21J158
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.93
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.64
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.118%
Registry Population: 10 (2.50%)
$ Estimated Value (12 Month Change): 6.34% Analyzing 200 Sales

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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.


cjbrem Supporter 521 · August 5, 2023

Serial Number 330443 was reported as accurate.

Anonymous · February 22, 2022

Serial Number 330258 was reported as accurate.

Anonymous · January 28, 2021

Serial Number 330185 was reported as accurate.

Anonymous · November 28, 2020

Serial Number 330366 was reported as accurate.

Anonymous · October 1, 2020

Serial Number 330303 was reported as accurate.

Mobilaero Top Contributor Supporter 292 · August 24, 2018

Serial Number 330401 was reported as accurate.

Gimparoo Supporter 703 · May 26, 2018

Serial Number 330260 was reported as accurate.

Anonymous · August 25, 2016

Serial Number 330161 was reported as accurate.

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

Anonymous · April 25, 2016

Serial Number 330407 was reported as accurate.

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

Anonymous · November 5, 2014

Serial Number 330183 was reported as accurate.

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

Anonymous · August 17, 2014

Serial Number 330202 was reported as accurate.

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

Anonymous · November 14, 2013

Serial Number 330415 was reported as accurate.

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

Anonymous · August 2, 2013

Serial Number 330354 was reported as accurate.

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

Anonymous · July 26, 2013

Serial Number 330354 was reported as accurate.

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

Anonymous · December 6, 2012

Serial Number 330161 was reported as accurate.

Anonymous · December 6, 2012

Serial Number 330161 was reported as accurate.

Anonymous · December 4, 2012

Serial Number 330161 was reported as accurate.

Hamilton Grade 990 Pocket Watch