Pocket Watch Database

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

Illinois Watch Co.

Grade: Bunn Special

Mixed Run: Bright-Spotted and Gold Inlaid Circle Finish

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1580425
Grade: Bunn Special
Model: 6
Estimated Production Year: 1901
Run Quantity: 600
Grade/Model Run: 83 of 257
Grade/Model Total Production: 76,618
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Bright Spotted
Movement Signing Style: Old English
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Barrel: Going
Train: Fast
Regulator: Reed
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 2.0, 21.5, 38.5
Case Screw Locations: 23.5, 51.5
Movement Markings: Bunn Special
Springfield, Ill.
21 Ruby Jewels
Adjusted
[Some Additional Marked:
Temperature
6 Positions
Isochronism
Double Roller]
Case: Various
Run ID: 4330.G118.18S2872.186M481.O1520.L3466.21J172
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
230.68
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
778.54
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.348%
Registry Population: 17 (2.83%)
$ Estimated Value (12 Month Change): -4.83% Analyzing 744 Sales
Research Note: Mixed Run: Bright-Spotted and Gold Inlaid Circle Finish
The nickel examples are marked indicating A6PTI while the two-tone examples are simply marked "Adjusted."

#1580422: Verified as Gold Inlaid Circle [JH].
#1580425: Verified as Gold Inlaid Circle.
#1580465: Verified as Gold Inlaid Circle [eBay].
#1580475: Verified as Gold Inlaid Circle.
#1580493: Verified as Bright-Spotted [eBay].
#1580543: Verified as Gold Inlaid Circle.

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


ChrisG Top Contributor Supporter 543 · September 12, 2021

Serial Number 1580493 was reported as inaccurate.

Note: Dear Curator: 1580493 is from my collection and
not an eBay item, could you please remove the
current image/invalid link reference so that I may
add my own.
Thanks.
Curator Response: Certainly. Please upload images of the watch to your collection first. At that point, I can remove the older images from the eBay auction listing. Thanks!

Anonymous · December 10, 2020

Serial Number 1580493 was reported as accurate.

Anonymous · September 24, 2018

Serial Number 1580438 was reported as accurate.

Anonymous · March 19, 2018

Serial Number 1580422 was reported as accurate.

Anonymous · October 11, 2016

Serial Number 1580253 was reported as accurate.

Anonymous · April 15, 2015

Serial Number 1580425 was reported as accurate.

Anonymous · April 15, 2015

Serial Number 1580425 was reported as accurate.

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · September 22, 2014

Serial Number 1580475 was reported as accurate.

eparso 59 · July 8, 2013

Serial Number 1580322 was reported as accurate.

Anonymous · April 17, 2013

Serial Number 1580494 was reported as accurate.

Illinois Grade Bunn Special Pocket Watch