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: 780455
Grade: 992
Model: 1
Estimated Production Year: 1910
Run Quantity: 1,000
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
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
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
Database Version: v46.738

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Data Verification Reports

780301
Verification Serial Map
781300

Olivia600 5 · May 12, 2021

Serial Number 780502 was reported as accurate.

Anonymous · July 8, 2020

Serial Number 781220 was reported as accurate.

Anonymous · March 6, 2020

Serial Number 780459 was reported as accurate.

Anonymous · February 17, 2020

Serial Number 781161 was reported as accurate.

Crawfish 2 · February 24, 2019

Serial Number 780592 was reported as accurate.

nicnic Supporter 219 · April 27, 2018

Serial Number 781055 was reported as accurate.

Anonymous · October 21, 2017

Serial Number 781171 was reported as accurate.

Anonymous · August 3, 2017

Serial Number 780951 was reported as accurate.

Anonymous · April 18, 2017

Serial Number 780970 was reported as accurate.

Anonymous · January 13, 2017

Serial Number 780637 was reported as accurate.

Anonymous · December 5, 2016

Serial Number 780677 was reported as accurate.

Anonymous · September 15, 2015

Serial Number 780867 was reported as accurate.

scunion 1 · January 29, 2015

Serial Number 780416 was reported as accurate.

Anonymous · January 6, 2015

Serial Number 780471 was reported as accurate.

Anonymous · October 16, 2014

Serial Number 780541 was reported as inaccurate.

Note: Lever set and RR Grade
Changes since this report was submitted:
Railroad Grade changed from ? to Yes

Anonymous · November 2, 2013

Serial Number 780378 was reported as accurate.

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

Anonymous · September 6, 2012

Serial Number 780753 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