Pocket Watch Database

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

Illinois Watch Co.

Grade: Bunn Special

Type III 60hr.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4900475
Grade: Bunn Special
Variation: Type III
Model: 14
Estimated Production Year: 1927
Run Quantity: 1,000
Total Production: 117,000
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Ray
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: 60-Hr. Motor
Regulator: Reed
Hairspring: Breguet
Adjusted: 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
Movement Markings: Sixty Hour
Bunn Special
Illinois Watch Co.
Springfield
Motor Barrel
21 Jewels
Adjusted
Temp. And
Six
Positions
Double Roller

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Data Verification Reports

4900001
Verification Serial Map
4901000

cjbrem 57 · October 17, 2020

Serial Number 4900475 was reported as accurate.

Anonymous · May 17, 2020

Serial Number 4900522 was reported as accurate.

Anonymous · May 6, 2020

Serial Number 4900305 was reported as accurate.

Anonymous · June 19, 2019

Serial Number 4900469 was reported as accurate.

Anonymous · May 2, 2019

Serial Number 4900469 was reported as accurate.

steve288 118 · March 30, 2019

Serial Number 4900708 was reported as accurate.

steve288 118 · March 8, 2019

Serial Number 4900708 was reported as accurate.

Anonymous · November 13, 2018

Serial Number 4900233 was reported as accurate.

Anonymous · November 6, 2018

Serial Number 4900469 was reported as accurate.

Anonymous · August 24, 2018

Serial Number 4900015 was reported as accurate.

Anonymous · October 20, 2017

Serial Number 4900166 was reported as accurate.

Anonymous · October 4, 2017

Serial Number 4900166 was reported as accurate.

Anonymous · July 23, 2017

Serial Number 4900512 was reported as accurate.

Anonymous · February 24, 2016

Serial Number 4900593 was reported as accurate.

Anonymous · December 14, 2014

Serial Number 4900125 was reported as accurate.

Anonymous · December 14, 2014

Serial Number 4900125 was reported as accurate.

Anonymous · December 12, 2014

Serial Number 4900125 was reported as accurate.

Anonymous · September 19, 2014

Serial Number 4900312 was reported as accurate.

smoken 110 · June 21, 2014

Serial Number 4900258 was reported as accurate.

Anonymous · May 21, 2012

Serial Number 4900032 was reported as accurate.

Illinois Grade Bunn Special Pocket Watch Movement