Pocket Watch Database


From the American Horology Archive:
Illinois Grade Sangamo Pocket Watch

Illinois Watch Co.

Grade: Sangamo

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1811471
Grade: Sangamo
Model: 4
Estimated Production Year: 1905
Run Quantity: 200
Grade/Model Run: 29 of 57
Grade/Model Total Production: 7,385
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Nickel
Finish Pattern: Bright-spotted
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Train Material: Gold
Center Wheel Material: Gold
Regulator: Micrometric
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Movement Markings: Sangamo
Illinois Watch Co.
Springfield
Adjusted
[Some Marked "Temperature 6 Positions Isochronism"]
[Some Marked "Safety Pinion"]
[Some Marked "Double Roller"]
[21, 23, or 25] Ruby Jewels
Case: Various
Run ID: 5361.G66.16S1217.164M587.H2784.L4428.21J232
Database Version: v52.406
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
22.23
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
74.95
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.130%
Registry Population:
Scoped for This Run Only
3 (1.50%)
$ Estimated Value (12 Month Change): -18.02% Analyzing 191 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.


Anonymous · November 1, 2021

Serial Number 1811332 was reported as accurate.

Anonymous · October 13, 2018

Serial Number 1811395 was reported as accurate.