Pocket Watch Database

From the American Horology Archive:
Illinois Grade Sangamo Special Pocket Watch

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4736223
Grade: Sangamo Special
Variation: U60HR
Model: 13
Estimated Production Year: 1926
Run Quantity: 800
Grade/Model Run: 10 of 13
Grade/Model Total Production: 11,200
Variant Est. Production: 8,000 (17S-M13-23J-ONL-A6PTI-U60HR)
Size: 17s
Jewels: 23j
Jewel Material: Ruby & Sapphire
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: False Center
Double Roller: Yes
Barrel: 60-Hr. Motor
Train Material: Gold
Center Wheel Material: Gold
Hairspring: Breguet
Pallet Jewel Material: Ruby
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Run ID: 11979.G52.17S14.1713M10.O6723.L6969.23J256
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
33.53
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
113.72
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.197%
Registry Population: 26 (3.25%)
$ Estimated Value (12 Month Change): 3.23% Analyzing 169 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.


dfchong 837 · September 11, 2020

Serial Number 4736223 was reported as accurate.

rmwatchandclock Supporter 365 · March 15, 2020

Serial Number 4736268 was reported as accurate.

dfchong 837 · September 30, 2019

Serial Number 4736144 was reported as accurate.

dfchong 837 · July 20, 2019

Serial Number 4736295 was reported as accurate.

dwmakos 8 · April 26, 2019

Serial Number 4736091 was reported as accurate.

dfchong 837 · January 28, 2019

Serial Number 4736240 was reported as accurate.

WLBelkriver33 804 · November 25, 2018

Serial Number 4736584 was reported as accurate.

dfchong 837 · November 25, 2018

Serial Number 4736584 was reported as accurate.

Anonymous · May 9, 2018

Serial Number 4736664 was reported as accurate.

dfchong 837 · March 9, 2018

Serial Number 4736682 was reported as accurate.

Anonymous · February 17, 2018

Serial Number 4736284 was reported as accurate.

dfchong 837 · July 10, 2017

Serial Number 4736124 was reported as accurate.

dfchong 837 · July 3, 2017

Serial Number 4736124 was reported as accurate.

Anonymous · June 27, 2017

Serial Number 4736057 was reported as accurate.

Anonymous · May 1, 2017

Serial Number 4736412 was reported as accurate.

dfchong 837 · April 5, 2017

Serial Number 4736124 was reported as accurate.

keywind 12 · February 25, 2017

Serial Number 4736624 was reported as accurate.

Gasperoff Supporter 727 · February 15, 2017

Serial Number 4736624 was reported as accurate.

dfchong 837 · January 29, 2017

Serial Number 4736624 was reported as accurate.

dfchong 837 · January 23, 2017

Serial Number 4736347 was reported as accurate.

Anonymous · January 22, 2017

Serial Number 4736347 was reported as accurate.

Anonymous · January 22, 2017

Serial Number 4736347 was reported as accurate.

Anonymous · January 20, 2017

Serial Number 4736347 was reported as accurate.

dfchong 837 · July 26, 2016

Serial Number 4736184 was reported as accurate.

Anonymous · July 23, 2016

Serial Number 4736184 was reported as accurate.

Anonymous · January 7, 2016

Serial Number 4736683 was reported as accurate.

Gasperoff Supporter 727 · February 9, 2015

Serial Number 4736124 was reported as accurate.

Anonymous · January 3, 2015

Serial Number 4736093 was reported as accurate.

philsan1a 221 · December 28, 2014

Serial Number 4736093 was reported as accurate.

Anonymous · September 12, 2014

Serial Number 4736332 was reported as accurate.

Anonymous · August 11, 2014

Serial Number 4736456 was reported as accurate.

Anonymous · August 11, 2014

Serial Number 4736456 was reported as accurate.

Anonymous · July 6, 2014

Serial Number 4736328 was reported as accurate.

Anonymous · July 6, 2014

Serial Number 4736328 was reported as accurate.

pjcoins 4 · June 19, 2013

Serial Number 4736735 was reported as accurate.

pjcoins 4 · June 19, 2013

Serial Number 4736735 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch