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: 396726
Grade: 992
Model: 1
Estimated Production Year: 1907
Run Quantity: 1,000
Grade/Model Run: 29 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: 888.992G29.16S439.161M405.O482.L514.21J221
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: 16 (1.60%)
$ 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 · May 7, 2021

Serial Number 396940 was reported as accurate.

Anonymous · October 19, 2020

Serial Number 396582 was reported as accurate.

Anonymous · July 14, 2020

Serial Number 396134 was reported as accurate.

Anonymous · July 10, 2020

Serial Number 396134 was reported as accurate.

Anonymous · July 7, 2019

Serial Number 396038 was reported as accurate.

Anonymous · October 16, 2018

Serial Number 396860 was reported as inaccurate.

Note: all but roller jewel ls accurate.
this is a single roller jewel.
Curator Response: Thanks for the report. According to Hamilton records compiled by Halligan, the 992 was upgraded to a double roller after serial number 308,701. However, the movements were not marked "Double Roller" until c.1910.

Anonymous · September 14, 2018

Serial Number 396773 was reported as accurate.

Anonymous · September 4, 2018

Serial Number 396773 was reported as accurate.

Anonymous · September 3, 2018

Serial Number 396773 was reported as accurate.

Anonymous · August 26, 2018

Serial Number 396773 was reported as accurate.

von1943 Supporter 371 · May 10, 2018

Serial Number 396447 was reported as accurate.

von1943 Supporter 371 · May 10, 2018

Serial Number 396447 was reported as accurate.

Anonymous · March 27, 2016

Serial Number 396576 was reported as inaccurate.

Note: This one is 100% definitely lever-set!! Cheers.
duffy l.

von1943 Supporter 371 · December 20, 2014

Serial Number 396046 was reported as accurate.

Anonymous · February 6, 2013

Serial Number 396426 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 18 to 1
Double Roller changed from No to Yes

Anonymous · December 21, 2012

Serial Number 396727 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 18 to 1
Double Roller changed from No to Yes

Anonymous · December 20, 2012

Serial Number 396727 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