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: 383342
Grade: 990
Model: 1
Estimated Production Year: 1907
Run Quantity: 399
Total Production: 12,599
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
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
Case: Various
Database Version: v48.508

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Does this information describe your movement accurately?

Data Verification Reports

383301
Verification Serial Map
383699

Anonymous · June 15, 2021

Serial Number 383699 was reported as accurate.

Anonymous · March 27, 2021

Serial Number 383641 was reported as accurate.

danswatch 2 · April 11, 2020

Serial Number 383386 was reported as accurate.

Anonymous · April 30, 2019

Serial Number 383617 was reported as accurate.

Anonymous · July 6, 2018

Serial Number 383369 was reported as accurate.

MichaelB 150 · November 15, 2017

Serial Number 383426 was reported as accurate.

Anonymous · November 15, 2017

Serial Number 383572 was reported as accurate.

Anonymous · November 9, 2017

Serial Number 383572 was reported as accurate.

Anonymous · November 3, 2017

Serial Number 383572 was reported as accurate.

Anonymous · July 7, 2017

Serial Number 383529 was reported as accurate.

la81la81 2 · June 2, 2017

Serial Number 383453 was reported as accurate.

Anonymous · April 26, 2017

Serial Number 383451 was reported as accurate.

Anonymous · March 1, 2017

Serial Number 383529 was reported as accurate.

Gimparoo Supporter 703 · September 25, 2016

Serial Number 383516 was reported as accurate.

Gimparoo Supporter 703 · September 24, 2016

Serial Number 383616 was reported as accurate.

rock862 242 · June 24, 2016

Serial Number 383518 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · January 11, 2015

Serial Number 383342 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · June 18, 2014

Serial Number 383664 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · February 4, 2014

Serial Number 383677 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · September 2, 2013

Serial Number 383335 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · April 27, 2013

Serial Number 383603 was reported as accurate.

Hamilton Grade 990 Pocket Watch