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: 1220680
Grade: 992
Model: 2
Estimated Production Year: 1917
Run Quantity: 1,000
Grade/Model Run: 31 of 175
Grade/Model Total Production: 447,200
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: 2nd Pattern (bar)
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: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 1672.992G142.16S950.162M117.O1115.L1097.21J474
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1,346.42
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
590.77
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
4.197%
Registry Population: 11 (1.10%)
$ Estimated Value (12 Month Change): 2.16% Analyzing 4,358 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 · September 7, 2020

Serial Number 1220019 was reported as accurate.

Anonymous · July 11, 2020

Serial Number 1220723 was reported as accurate.

Anonymous · July 18, 2018

Serial Number 1220826 was reported as accurate.

Anonymous · December 1, 2017

Serial Number 1220375 was reported as accurate.

Anonymous · October 23, 2017

Serial Number 1220375 was reported as accurate.

Anonymous · June 5, 2016

Serial Number 1220824 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · March 25, 2016

Serial Number 1220599 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · September 16, 2014

Serial Number 1220201 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · September 13, 2014

Serial Number 1220550 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch