Pocket Watch Database


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

Illinois Watch Co.

Grade: Bunn Special

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4216336 Question Mark
Grade: Bunn Special Question Mark
Variation: RY.B.Temp&6.HashIndex Question Mark
Model: 8 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 700 Question Mark
Grade/Model Run: 14 of 14 Question Mark
Grade/Model Total Production: 2,020 Question Mark
Variant Est. Production: 700 (16S-M8-21J-HNL-A6PTI-RY.B.TEMP&6.HASHINDEX) Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Hunting 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: Going Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 13.5, 39.0, 58.0 Question Mark
Case Screw Locations: 18.0, 53.0 Question Mark
Movement Markings: Bunn Special
Illinois Watch Co.
Springfield
21 Jewels
Adj.
Temp. & 6
Pos'ns
Double Roller
Case: Various Question Mark
Run ID: 11554.G485.16S3710.168M107.H4705.L6833.21J1212 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: v52.470 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.08 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
20.43 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.036% Question Mark
Registry Population:
Scoped for This Run Only
7 (1.00%) Question Mark
$ Estimated Value (12 Month Change): 0% Analyzing 1,577 Sales Question Mark
Research Note: This variant features a hash-style regulator index instead of the grid style.

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


23Greenwich Supporter 252 · May 18, 2024

Serial Number 4216572 was reported as accurate.

Anonymous · March 30, 2023

Serial Number 4216342 was reported as accurate.

Anonymous · October 18, 2017

Serial Number 4216522 was reported as accurate.

Illinois Grade Bunn Special Pocket Watch