Pocket Watch Database

From the American Horology Archive:
Illinois Grade 163 Bunn Special Pocket Watch

Illinois Watch Co.

Grade: 163 Bunn Special

Mixed Run: Type I, Type IIE, Type II, Type IIE (Model 14 & Model 15)

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 5421883 Question Mark
Grade: 163 Bunn Special Question Mark
Variation: 163 Type IIE Question Mark
Model: 15 Question Mark
Estimated Production Year: 1931 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 2 of 4 Question Mark
Grade/Model Total Production: 2,400 Question Mark
Size: 16s Question Mark
Jewels: 23j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Ray Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: 60-Hr. Motor Question Mark
Hairspring: Elinvar Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 17.5, 39.0, 58.0 Question Mark
Case Screw Locations: 3.0, 38.0 Question Mark
Case: Various Question Mark
Run ID: 12647.G8.16S4090.1615M2.O7224.L7157.23J294 Question Mark
Research References: American Pocket Watches: Illinois Watch Co.: Volume 2. (William Meggers & Roy Ehrhardt)
The 16 Size Illinois Bunn Special, 1913-1948. (Michael Chamelin)
Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.22 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
24.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.042% Question Mark
Registry Population:
Scoped for This Run Only
15 (3.75%) Question Mark
$ Estimated Value (12 Month Change): -2.39% Analyzing 122 Sales Question Mark
Research Note: Mixed Run: 163 Type II (rare) and 163 Type IIE [Chamelin]. #5421753: Verified as Type IIE [JH].

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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.


Anonymous · April 5, 2023

Serial Number 5421883 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15

Anonymous · March 14, 2023

Serial Number 5421883 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15

Anonymous · March 10, 2021

Serial Number 5421841 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15

Anonymous · February 9, 2021

Serial Number 5421886 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15

snellingt Supporter 32 · August 21, 2020

Serial Number 5421641 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15

Anonymous · May 11, 2020

Serial Number 5421883 was reported as inaccurate.

Note: This movement is a type IIE. Signed "Elinvar" on
balance cock.
Changes since this report was submitted:
Factory Model changed from 14 to 15

Anonymous · March 12, 2020

Serial Number 5421862 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 14 to 15
Illinois Grade 163 Bunn Special Pocket Watch