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: 821776
Grade: 990
Model: 1
Estimated Production Year: 1911
Run Quantity: 500
Grade/Model Run: 33 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: 1305.990G33.16S632.161M582.O812.L863.21J354
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: 8 (1.60%)
$ 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.


2mnyboxers Supporter 399 · May 16, 2023

Serial Number 821984 was reported as accurate.

awalker1829 Supporter 63 · March 30, 2023

Serial Number 821697 was reported as inaccurate.

Note: Movement marked 17 jewels.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · August 31, 2022

Serial Number 821839 was reported as accurate.

Anonymous · August 17, 2022

Serial Number 821639 was reported as accurate.

Anonymous · March 23, 2021

Serial Number 821863 was reported as accurate.

Anonymous · March 19, 2021

Serial Number 821863 was reported as accurate.

Anonymous · September 3, 2020

Serial Number 821981 was reported as accurate.

Windtime 8 · January 31, 2020

Serial Number 821841 was reported as accurate.

Anonymous · April 2, 2019

Serial Number 821718 was reported as accurate.

Anonymous · August 12, 2018

Serial Number 821852 was reported as accurate.

Anonymous · June 13, 2018

Serial Number 821647 was reported as accurate.

Waltham21j 121 · February 13, 2018

Serial Number 821776 was reported as accurate.

Anonymous · August 11, 2017

Serial Number 821936 was reported as accurate.

Anonymous · November 12, 2015

Serial Number 821974 was reported as accurate.

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

Anonymous · September 3, 2015

Serial Number 821683 was reported as accurate.

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

Anonymous · September 2, 2015

Serial Number 821688 was reported as accurate.

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

harris498 53 · February 1, 2015

Serial Number 821858 was reported as accurate.

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

Anonymous · October 13, 2014

Serial Number 821606 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No
Hamilton Grade 990 Pocket Watch