Pocket Watch Database

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

Illinois Watch Co.

Grade: Bunn Special

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2577090
Grade: Bunn Special
Variation: FS.B.StandardBalanceCap
Model: 9
Estimated Production Year: 1913
Run Quantity: 200
Grade/Model Run: 8 of 194
Grade/Model Total Production: 169,740
Variant Est. Production: 600 (16S-M9-21J-ONL-A6PTI-FS.B.STANDARDBALANCECAP)
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Fishscale or Bright-Spotted
Movement Signing Style: Mixed
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Regulator: Reed
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: 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: Bunn Special
Illinois Watch Co. Springfield
21 Jewels
Adjusted
Temperature
Six
Positions
Double Roller
Case: Various
Run ID: 8151.G295.16S2287.169M44.O3705.L5892.21J568
Research References: American Pocket Watches: Illinois Watch Co.: Volume 2. (William Meggers & Roy Ehrhardt)
The 16 Size Illinois Bunn Special, 1913-1948. (Michael Chamelin)
Database Version: v52.296
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
511.05
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,758.86
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.986%
Registry Population: 10 (5.00%)
$ Estimated Value (12 Month Change): 2.16% Analyzing 2,250 Sales
Research Note: Standard upper balance cap with screw-down setting.

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.


Anonymous · February 15, 2020

Serial Number 2577034 was reported as accurate.

Anonymous · March 16, 2019

Serial Number 2576934 was reported as accurate.

Anonymous · February 24, 2019

Serial Number 2576915 was reported as accurate.

dhimme1045 7 · May 13, 2018

Serial Number 2577090 was reported as inaccurate.

Note: Pattern: Fish Scale

ptybin 24 · June 2, 2015

Serial Number 2576923 was reported as accurate.

Anonymous · March 28, 2013

Serial Number 2576910 was reported as accurate.

Illinois Grade Bunn Special Pocket Watch