Pocket Watch Database


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

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 3285087 Question Mark
Grade: Sangamo Special Question Mark
Variation: False Bridge Question Mark
Model: 10 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 5 of 9 Question Mark
Grade/Model Total Production: 4,340 Question Mark
Size: 16s Question Mark
Jewels: 23j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Raised Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: False Center Question Mark
Double Roller: Yes Question Mark
Barrel: 48-Hr. Motor Question Mark
Train Material: Gold Question Mark
Center Wheel Material: Gold Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Ruby 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: 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: 10143.G34.16S3040.1610M6.O5140.L6406.23J197 Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.06 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
44.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.076% Question Mark
Registry Population:
Scoped for This Run Only
9 (3.00%) Question Mark

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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 · August 22, 2018

Serial Number 3285005 was reported as accurate.

Anonymous · August 21, 2018

Serial Number 3285005 was reported as accurate.

dfchong 837 · August 17, 2018

Serial Number 3285005 was reported as accurate.

Anonymous · January 3, 2018

Serial Number 3285056 was reported as accurate.

Anonymous · December 21, 2017

Serial Number 3285026 was reported as accurate.

Automatic 254 · August 14, 2017

Serial Number 3285101 was reported as accurate.

Automatic 254 · August 10, 2017

Serial Number 3285101 was reported as accurate.

Anonymous · July 2, 2017

Serial Number 3285056 was reported as accurate.

dfchong 837 · November 2, 2016

Serial Number 3285224 was reported as accurate.

dfchong 837 · October 31, 2016

Serial Number 3285223 was reported as accurate.

allamerican 48 · August 27, 2015

Serial Number 3285223 was reported as accurate.

Bluejay 179 · January 26, 2015

Serial Number 3285267 was reported as accurate.

Anonymous · August 11, 2013

Serial Number 3285014 was reported as accurate.

Anonymous · November 8, 2012

Serial Number 3285014 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch