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: 1321247
Grade: 990
Model: 2
Estimated Production Year: 1919
Run Quantity: 300
Total Production: 3,700
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: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Database Version: v48.508

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Data Verification Reports

1321001
Verification Serial Map
1321300

MNCharlie 1 · May 5, 2021

Serial Number 1321124 was reported as accurate.

jeromeschley 60 · January 27, 2021

Serial Number 1321279 was reported as accurate.

Anonymous · January 21, 2019

Serial Number 1321119 was reported as accurate.

Anonymous · June 22, 2018

Serial Number 1321274 was reported as accurate.

Anonymous · March 10, 2018

Serial Number 1321176 was reported as accurate.

fordcasa Top Contributor Supporter 415 · April 29, 2017

Serial Number 1321247 was reported as accurate.

Anonymous · February 9, 2017

Serial Number 1321124 was reported as accurate.

fordcasa Top Contributor Supporter 415 · November 5, 2016

Serial Number 1321053 was reported as accurate.

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

Anonymous · September 14, 2015

Serial Number 1321020 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Double Roller changed from Yes to No

mazi07 1 · April 3, 2015

Serial Number 1321285 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Double Roller changed from Yes to No

Anonymous · January 8, 2015

Serial Number 1321183 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Double Roller changed from Yes to No

Anonymous · July 20, 2014

Serial Number 1321093 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Double Roller changed from Yes to No

Anonymous · December 25, 2013

Serial Number 1321074 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Double Roller changed from Yes to No

Anonymous · February 14, 2013

Serial Number 1321267 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Hamilton Grade 990 Pocket Watch