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: 1509929
Grade: Sangamo
Model: 5
Estimated Production Year: 1900
Run Quantity: 200
Grade/Model Run: 14 of 111
Grade/Model Total Production: 26,135
Size: 16s
Jewels: 23j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
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: 3.5, 37.5
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: 4141.G25.16S790.165M230.O1417.L3277.23J18
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
78.68
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
265.50
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.460%
Registry Population: 6 (3.00%)
$ Estimated Value (12 Month Change): 4.79% Analyzing 114 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 · April 2, 2021

Serial Number 1509807 was reported as accurate.

Anonymous · September 10, 2020

Serial Number 1509984 was reported as accurate.

Anonymous · September 10, 2020

Serial Number 1509984 was reported as accurate.

Anonymous · September 10, 2020

Serial Number 1509984 was reported as accurate.

Anonymous · September 10, 2020

Serial Number 1509984 was reported as accurate.

dfchong 837 · September 10, 2020

Serial Number 1509984 was reported as accurate.

dfchong 837 · September 3, 2020

Serial Number 1509984 was reported as accurate.

Anonymous · July 10, 2017

Serial Number 1509955 was reported as accurate.

dfchong 837 · July 3, 2017

Serial Number 1509839 was reported as accurate.

dfchong 837 · July 3, 2017

Serial Number 1509839 was reported as accurate.

Mobilaero Top Contributor Supporter 293 · January 1, 2015

Serial Number 1509929 was reported as accurate.

Anonymous · August 25, 2014

Serial Number 1509870 was reported as accurate.

Anonymous · August 2, 2013

Serial Number 1509805 was reported as accurate.

Anonymous · April 10, 2013

Serial Number 1509805 was reported as inaccurate.

Note: Two tone wavy ribbon pattern.

Anonymous · April 1, 2013

Serial Number 1509805 was reported as accurate.

Anonymous · November 29, 2012

Serial Number 1509835 was reported as accurate.

Anonymous · November 22, 2012

Serial Number 1509835 was reported as accurate.

Illinois Grade Sangamo Pocket Watch