Pocket Watch Database

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

Illinois Watch Co.

Grade: Sangamo

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2452447
Grade: Sangamo
Model: 5
Estimated Production Year: 1912
Run Quantity: 600
Total Production: 26,135
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Signing Style: Mixed
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Train Material: Gold
Regulator: Micrometric
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 3.5, 37.5
Movement Markings: Sangamo
Illinois Watch Co.
Springfield
21 Ruby Jewels
Adjusted
Temperature
6 Positions
Isochronism
Double Roller
Database Version: v48.148

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Data Verification Reports

2452001
Verification Serial Map
2452600

CechBro Supporter 27 · May 24, 2022

Serial Number 2452371 was reported as accurate.

Anonymous · October 21, 2021

Serial Number 2452263 was reported as accurate.

Anonymous · January 1, 2020

Serial Number 2452120 was reported as accurate.

Anonymous · December 1, 2019

Serial Number 2452043 was reported as accurate.

AWeber62 96 · May 23, 2019

Serial Number 2452371 was reported as accurate.

AWeber62 96 · May 14, 2019

Serial Number 2452371 was reported as accurate.

Anonymous · April 26, 2019

Serial Number 2452371 was reported as accurate.

Anonymous · March 17, 2018

Serial Number 2452450 was reported as accurate.

Anonymous · October 17, 2017

Serial Number 2452251 was reported as accurate.

dfchong 837 · November 6, 2016

Serial Number 2452008 was reported as accurate.

Anonymous · September 29, 2016

Serial Number 2452149 was reported as accurate.

dfchong 837 · September 27, 2016

Serial Number 2452129 was reported as accurate.

Anonymous · November 24, 2013

Serial Number 2452082 was reported as accurate.

Dch525 25 · July 15, 2013

Serial Number 2452581 was reported as accurate.

Anonymous · May 30, 2013

Serial Number 2452469 was reported as accurate.

Anonymous · April 20, 2013

Serial Number 2452221 was reported as accurate.

Anonymous · April 11, 2012

Serial Number 2452266 was reported as accurate.

Illinois Grade Sangamo Pocket Watch Movement