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: 830237
Grade: 990
Model: 1
Estimated Production Year: 1911
Run Quantity: 500
Grade/Model Run: 34 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: 1315.990G34.16S642.161M592.O818.L868.21J357
Database Version: v52.219
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 (2.80%)
$ Estimated Value (12 Month Change): 7.86% 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.


Anonymous · August 15, 2021

Serial Number 830327 was reported as accurate.

Anonymous · February 4, 2021

Serial Number 830170 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 830237 was reported as accurate.

cfergyjr 11 · March 21, 2020

Serial Number 830199 was reported as accurate.

Anonymous · August 22, 2019

Serial Number 830237 was reported as accurate.

Anonymous · February 24, 2018

Serial Number 830485 was reported as accurate.

Anonymous · December 26, 2014

Serial Number 830068 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · March 30, 2014

Serial Number 830398 was reported as accurate.

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

Anonymous · March 8, 2014

Serial Number 830163 was reported as accurate.

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

Anonymous · February 25, 2014

Serial Number 830184 was reported as accurate.

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

Anonymous · January 3, 2014

Serial Number 830215 was reported as accurate.

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

Anonymous · November 23, 2013

Serial Number 830294 was reported as accurate.

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

Anonymous · January 22, 2013

Serial Number 830346 was reported as accurate.

Anonymous · January 18, 2013

Serial Number 830346 was reported as accurate.

Anonymous · September 9, 2012

Serial Number 830396 was reported as accurate.

Hamilton Grade 990 Pocket Watch