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: 388298
Grade: 990
Model: 1
Estimated Production Year: 1907
Run Quantity: 400
Grade/Model Run: 23 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: 873.990G23.16S424.161M390.O473.L505.21J213
Database Version: v52.161
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.72
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: 14 (3.50%)
$ Estimated Value (12 Month Change): 9.19% Analyzing 200 Sales

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 20, 2024

Serial Number 388031 was reported as accurate.

Anonymous · September 29, 2019

Serial Number 388300 was reported as accurate.

Anonymous · May 3, 2019

Serial Number 388064 was reported as accurate.

backwardglance1 99 · September 14, 2018

Serial Number 388089 was reported as accurate.

Rickhufnagel7 Top Contributor Elgin Expert Hampden Expert Supporter 617 · March 20, 2018

Serial Number 388270 was reported as accurate.

fixmenow 31 · November 22, 2017

Serial Number 388298 was reported as accurate.

Anonymous · June 6, 2015

Serial Number 388122 was reported as accurate.

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

Gasperoff Supporter 727 · March 15, 2015

Serial Number 388256 was reported as accurate.

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

Gasperoff Supporter 727 · March 15, 2015

Serial Number 388256 was reported as accurate.

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

Gasperoff Supporter 727 · March 11, 2015

Serial Number 388256 was reported as accurate.

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

Gasperoff Supporter 727 · February 16, 2015

Serial Number 388256 was reported as accurate.

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

Anonymous · March 6, 2014

Serial Number 388042 was reported as accurate.

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

Anonymous · August 1, 2013

Serial Number 388027 was reported as accurate.

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

Anonymous · March 3, 2013

Serial Number 388153 was reported as accurate.

Anonymous · February 27, 2013

Serial Number 388153 was reported as accurate.

Anonymous · February 24, 2013

Serial Number 388316 was reported as accurate.

Anonymous · February 17, 2013

Serial Number 388316 was reported as accurate.

Anonymous · September 9, 2012

Serial Number 388316 was reported as accurate.

Anonymous · June 18, 2012

Serial Number 388253 was reported as accurate.

Anonymous · June 11, 2012

Serial Number 388253 was reported as accurate.

Hamilton Grade 990 Pocket Watch