Pocket Watch Database

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

Illinois Watch Co.

Grade: Bunn Special

Mixed Run: Type II & Type III

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4828877
Grade: Bunn Special
Variation: Type II & Type III
Model: 14
Estimated Production Year: 1926
Run Quantity: 1,000
Grade/Model Run: 24 of 117
Grade/Model 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
Case: Various
Run ID: 12062.G560.16S3905.1614M28.O6801.L6994.21J1379
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
352.26
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,188.92
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.058%
Registry Population: 16 (1.60%)
$ Estimated Value (12 Month Change): -2.79% Analyzing 2,122 Sales
Research Note: Mixed Run: Type II & Type III Movements

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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.


aconner 62 · March 27, 2022

Serial Number 4828208 was reported as accurate.

Anonymous · September 16, 2021

Serial Number 4828367 was reported as accurate.

Anonymous · April 19, 2021

Serial Number 4828587 was reported as accurate.

Anonymous · February 7, 2021

Serial Number 4828511 was reported as accurate.

Anonymous · October 19, 2020

Serial Number 4828808 was reported as accurate.

Anonymous · February 14, 2018

Serial Number 4828880 was reported as accurate.

Anonymous · August 10, 2017

Serial Number 4828022 was reported as accurate.

Gasperoff Supporter 727 · August 25, 2015

Serial Number 4828636 was reported as accurate.

Gasperoff Supporter 727 · August 16, 2015

Serial Number 4828636 was reported as accurate.

philsan1a 221 · October 25, 2014

Serial Number 4828825 was reported as accurate.

Anonymous · July 16, 2014

Serial Number 4828695 was reported as accurate.

Anonymous · November 30, 2013

Serial Number 4828389 was reported as accurate.

Anonymous · August 13, 2013

Serial Number 4828018 was reported as accurate.

Anonymous · April 17, 2013

Serial Number 4828709 was reported as accurate.

Anonymous · December 16, 2012

Serial Number 4828330 was reported as inaccurate.

Note: SIXTY HOUR is on the train Bridge

MOTOR BARREL is on the barrel bridge so this is a
"60" hour "Bunn Special"
Changes since this report was submitted:
Double Roller changed from Unknown to Yes

Anonymous · November 29, 2012

Serial Number 4828118. was reported as accurate.

Anonymous · November 29, 2012

Serial Number 4828118. was reported as accurate.

Illinois Grade Bunn Special Pocket Watch