Pocket Watch Database

From the American Horology Archive:
Illinois Grade Sangamo Special Pocket Watch Movement

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2798488
Grade: Sangamo Special
Model: 9
Estimated Production Year: 1915
Run Quantity: 700
Total Production: 8,070
Size: 16s
Jewels: 23j
Jewel Material: Ruby & Sapphire
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: True Bridge
Double Roller: Yes
Barrel: Going
Train Material: Gold
Center Wheel Material: Gold
Hairspring: Breguet
Pallet Jewel Material: Ruby
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0

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Data Verification Reports

2798001
Verification Serial Map
2798700

bunnofnickle 53 · July 10, 2020

Serial Number 2798067 was reported as accurate.

dfchong 822 · February 24, 2019

Serial Number 2798347 was reported as accurate.

dfchong 822 · February 5, 2019

Serial Number 2798411 was reported as accurate.

Anonymous · October 21, 2017

Serial Number 2798256 was reported as accurate.

Anonymous · October 19, 2017

Serial Number 2798256 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 19, 2017

Serial Number 2798256 was reported as accurate.

Anonymous · April 28, 2017

Serial Number 2798450 was reported as accurate.

Anonymous · April 21, 2017

Serial Number 2798450 was reported as accurate.

dfchong 822 · October 24, 2016

Serial Number 2798534 was reported as accurate.

Anonymous · October 6, 2016

Serial Number 2798460 was reported as accurate.

Anonymous · September 22, 2016

Serial Number 2798443 was reported as accurate.

Msw233 86 · February 1, 2015

Serial Number 2798488 was reported as inaccurate.

Note: True bridge

smoken 110 · June 25, 2014

Serial Number 2798102 was reported as inaccurate.

Note: Movement is bridged and says:

jeweled barrel
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 9, 2014

Serial Number 2798182 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 9, 2014

Serial Number 2798179 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · April 27, 2014

Serial Number 2798459 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · April 19, 2014

Serial Number 2798471 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 22, 2014

Serial Number 2798179 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · October 19, 2013

Serial Number 2798014 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · July 18, 2013

Serial Number 2798385 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade Sangamo Special Pocket Watch Movement