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: 2135515
Grade: Sangamo
Model: 5
Estimated Production Year: 1909
Run Quantity: 85
Grade/Model Run: 64 of 111
Grade/Model Total Production: 26,135
Size: 16s
Jewels: 21j
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: 6506.G107.16S1614.165M630.O2671.L5150.21J364
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
78.25
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: 5 (5.88%)
$ Estimated Value (12 Month Change): 5.35% Analyzing 277 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 20, 2020

Serial Number 2135526 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 6

Anonymous · April 1, 2020

Serial Number 2135572 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 6

Anonymous · June 15, 2019

Serial Number 2135533 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 6

Anonymous · June 4, 2018

Serial Number 2135572 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 6

Anonymous · October 2, 2015

Serial Number 2135572 was reported as inaccurate.

Note: # 2135572 is 5 positions, not 6. Reads as adjusted
temperature 5 positions isochronism. All else
appears correctly. Dial is also Bejamin Franklin
USA. Given as award February 25, 1911 at the
Thomas Gaslight Mfg. Co., just as trivia, cannot
find this company. thank you!!!!

Anonymous · April 2, 2014

Serial Number 2135572 was reported as accurate.

Illinois Grade Sangamo Pocket Watch