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: 1602739
Grade: Sangamo
Model: 4
Estimated Production Year: 1902
Run Quantity: 400
Grade/Model Run: 16 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: Two-Tone
Finish Pattern: Wavy
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: 4394.G37.16S913.164M426.H2312.L3530.21J177
Database Version: v52.290
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
76.42
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.130%
Registry Population: 4 (1.00%)

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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.


bsheets Supporter 2 · April 29, 2024

Serial Number 1602739 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · June 15, 2022

Serial Number 1602907 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · January 12, 2022

Serial Number 1602998 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · May 25, 2021

Serial Number 1602937 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · November 16, 2020

Serial Number 1602832 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · November 16, 2020

Serial Number 1602832 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · November 16, 2020

Serial Number 1602832 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · September 12, 2020

Serial Number 1602606 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · August 4, 2020

Serial Number 1602620 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · February 22, 2020

Serial Number 1602670 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · January 17, 2020

Serial Number 1602681 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

WLBelkriver33 804 · November 24, 2018

Serial Number 1602625 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

WLBelkriver33 804 · November 23, 2018

Serial Number 1602625 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

WLBelkriver33 804 · November 21, 2018

Serial Number 1602625 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · August 12, 2018

Serial Number 1602850 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Illinois Grade Sangamo Pocket Watch