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: 1645891
Grade: Sangamo
Model: 4
Estimated Production Year: 1902
Run Quantity: 200
Grade/Model Run: 20 of 57
Grade/Model Total Production: 7,385
Size: 16s
Jewels: 23j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Nickel
Finish Pattern: Bright-spotted
Movement Signing Style: Serif (Decorative)
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Train Material: Gold
Center Wheel Material: Gold
Regulator: Micrometer
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
23 Ruby Jewels
Case: Various
Run ID: 4741.G44.16S995.164M470.H2449.L3877.23J29
Database Version: v52.245
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: 9 (4.50%)
$ Estimated Value (12 Month Change): 0.63% Analyzing 82 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.


rmwatchandclock Supporter 366 · March 18, 2024

Serial Number 1645950 was reported as accurate.

Anonymous · February 3, 2019

Serial Number 1645931 was reported as accurate.

Anonymous · December 21, 2017

Serial Number 1645982 was reported as accurate.

Anonymous · October 9, 2017

Serial Number 1645946 was reported as accurate.

Anonymous · September 24, 2017

Serial Number 1645946 was reported as accurate.

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · July 30, 2016

Serial Number 1645891 was reported as accurate.

Illinois Grade Sangamo Pocket Watch