Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch

Hamilton Watch Co.

Grade: 992

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 815181
Grade: 992
Model: 1
Estimated Production Year: 1911
Run Quantity: 1,100
Grade/Model Run: 66 of 111
Grade/Model Total Production: 98,400
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: 1st Pattern
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Center Wheel Material: Gold
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
Adjustment Tolerance: DUvDD: +/- 6 sec.; 5Pv: +/- 10 sec.; Total Average: +3-6 sec. per day; Temperature: +/- 6 Seconds
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: 1299.992G66.16S626.161M576.O806.L859.21J353
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
294.62
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
129.99
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.923%
Registry Population: 26 (2.36%)
$ Estimated Value (12 Month Change): -0.47% Analyzing 3,558 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 · January 25, 2020

Serial Number 815571 was reported as inaccurate.

Note: The watch contains 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 · June 10, 2019

Serial Number 815728 was reported as accurate.

okiejohn 379 · December 10, 2018

Serial Number 815181 was reported as accurate.

Anonymous · August 1, 2017

Serial Number 815070 was reported as inaccurate.

No further details were submitted with the report.

surfingrandma 34 · June 19, 2016

Serial Number 815227 was reported as accurate.

Anonymous · July 28, 2015

Serial Number 815007 was reported as accurate.

Anonymous · July 20, 2015

Serial Number 815007 was reported as accurate.

Anonymous · March 28, 2015

Serial Number 815693 was reported as accurate.

ngsilver 16 · September 27, 2014

Serial Number 815104 was reported as accurate.

Anonymous · April 13, 2014

Serial Number 815269 was reported as inaccurate.

Note: Movement Setting: Lever
Railroad Grade: Yes
Changes since this report was submitted:
Railroad Grade changed from ? to Yes

Anonymous · February 23, 2014

Serial Number 814996 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from ? to Yes

Anonymous · August 30, 2013

Serial Number 815317 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from ? to Yes

Anonymous · March 4, 2013

Serial Number 815461 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 18 to 1
Double Roller changed from No to Yes
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch