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: 4760289 Question Mark
Grade: Sangamo Special Question Mark
Variation: 60HR Question Mark
Model: 13 Question Mark
Estimated Production Year: 1926 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 13 of 13 Question Mark
Grade/Model Total Production: 11,200 Question Mark
Variant Est. Production: 3,200 (17S-M13-23J-ONL-A6PTI-60HR) Question Mark
Size: 17s 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: 60-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: 12026.G55.17S17.1713M13.O6769.L6999.23J273 Question Mark
Database Version: v52.470 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
33.72 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
113.72 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.197% Question Mark
Registry Population:
Scoped for This Run Only
23 (2.30%) 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.


wpking Supporter 6 · May 15, 2024

Serial Number 4760161 was reported as accurate.

Anonymous · November 16, 2020

Serial Number 4760242 was reported as accurate.

snellingt Supporter 32 · August 21, 2020

Serial Number 4760549 was reported as accurate.

Anonymous · March 5, 2020

Serial Number 4760149 was reported as accurate.

Anonymous · October 14, 2019

Serial Number 4760568 was reported as accurate.

dhimme1045 7 · May 12, 2018

Serial Number 4760059 was reported as accurate.

Anonymous · February 7, 2017

Serial Number 4760102 was reported as accurate.

Anonymous · February 7, 2017

Serial Number 4760460 was reported as accurate.

Anonymous · January 29, 2017

Serial Number 4760437 was reported as accurate.

dfchong 837 · October 30, 2016

Serial Number 4760059 was reported as accurate.

dfchong 837 · October 27, 2016

Serial Number 4760059 was reported as accurate.

dfchong 837 · October 26, 2016

Serial Number 4760059 was reported as accurate.

rfregoso 55 · July 21, 2016

Serial Number 4760138 was reported as accurate.

mrclock 9 · April 6, 2016

Serial Number 4760102 was reported as accurate.

mrclock 9 · April 6, 2016

Serial Number 4760460 was reported as accurate.

bwalder 137 · April 6, 2016

Serial Number 4760188 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 5, 2016

Serial Number 4760228 was reported as accurate.

yrazis Supporter 9 · March 16, 2016

Serial Number 4760084 was reported as accurate.

yrazis Supporter 9 · March 16, 2016

Serial Number 4760543 was reported as accurate.

Anonymous · March 16, 2016

Serial Number 4760543 was reported as accurate.

Anonymous · April 10, 2015

Serial Number 4760539 was reported as accurate.

Anonymous · April 6, 2015

Serial Number 4760539 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch