Pocket Watch Database

From the American Horology Archive:
Illinois Grade Miller Pocket Watch

Illinois Watch Co.

Grade: Miller

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 305690
Grade: Miller
Model: 1
Class: 3
Estimated Production Date: July 1881 - December 1881
Run Quantity: 1,000
Grade/Model Run: 18 of 18
Grade/Model Total Production: 12,200
Variant Est. Production: 7,600 (18S-M1-15J-AGK-AT)
Size: 18s
Jewels: 15j
Jewel Setting: Scribed
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Barrel: Going
Balance Type: Expansion
Train: Coarse
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted to Temperature: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class C
Dial Feet Locations: 16.5, 36.5, 53.0
Case Screw Locations: O-36.5, H-51.5
Movement Markings: Miller
Springfield, Ill.
Patent Pinion
[Some Marked "Adjusted"]
Case: Various
Run ID: 807.G52.18S782.181M277.A277.K284.15J107
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
36.53
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
123.88
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.215%
Registry Population: 12 (1.20%)
$ Estimated Value (12 Month Change): -15.97% Analyzing 68 Sales

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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.


ABUMALEK 97 · June 19, 2021

Serial Number 305118 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Gilt

chuck1500 112 · January 19, 2021

Serial Number 305474 was reported as accurate.

Anonymous · December 30, 2018

Serial Number 306000 was reported as accurate.

Anonymous · December 2, 2018

Serial Number 306000 was reported as accurate.

Anonymous · November 25, 2018

Serial Number 305633 was reported as accurate.

Anonymous · July 25, 2018

Serial Number 305578 was reported as accurate.

Anonymous · July 13, 2018

Serial Number 305355 was reported as accurate.

Anonymous · July 20, 2016

Serial Number 305590 was reported as accurate.

Anonymous · March 31, 2016

Serial Number 305532 was reported as accurate.

Anonymous · November 25, 2015

Serial Number 305795 was reported as accurate.

Anonymous · April 1, 2013

Serial Number 305394 was reported as accurate.

Anonymous · February 11, 2013

Serial Number 305050 was reported as accurate.

Illinois Grade Miller Pocket Watch