Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 991 Pocket Watch Movement

Hamilton Watch Co.

Grade: 991

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 395805
Grade: 991
Model: 1
Estimated Production Year: 1908
Run Quantity: 800
Total Production: 2,520
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
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
Database Version: v47.470

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Data Verification Reports

395101
Verification Serial Map
395900

weepinglion 41 · December 3, 2020

Serial Number 395558 was reported as accurate.

MoatsJustin1 2062 · November 28, 2020

Serial Number 395527 was reported as accurate.

Anonymous · April 19, 2020

Serial Number 395605 was reported as accurate.

Anonymous · March 1, 2019

Serial Number 395757 was reported as accurate.

Anonymous · March 1, 2019

Serial Number 395757 was reported as accurate.

Anonymous · January 13, 2019

Serial Number 395633 was reported as accurate.

MUFFDIVER52 12 · January 8, 2017

Serial Number 395872 was reported as accurate.

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

101554 22 · January 5, 2017

Serial Number 395307 was reported as accurate.

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

Anonymous · November 28, 2016

Serial Number 395895 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 2 to 1

101554 22 · May 19, 2016

Serial Number 395307 was reported as accurate.

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

101554 22 · April 29, 2016

Serial Number 395307 was reported as accurate.

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

rock862 242 · October 25, 2015

Serial Number 395383 was reported as accurate.

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

Anonymous · October 23, 2015

Serial Number 395385 was reported as accurate.

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

Anonymous · September 21, 2014

Serial Number 395652 was reported as accurate.

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

Anonymous · September 21, 2014

Serial Number 395652 was reported as accurate.

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

Anonymous · September 21, 2014

Serial Number 395652 was reported as accurate.

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

Anonymous · March 31, 2014

Serial Number 395307 was reported as accurate.

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

Anonymous · July 25, 2012

Serial Number 395872 was reported as accurate.

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

Anonymous · July 24, 2012

Serial Number 395852 was reported as accurate.

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

Anonymous · May 28, 2012

Serial Number 395571 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1
Hamilton Grade 991 Pocket Watch Movement