Illinois Pocket Watch: Serial Number 2728418 (Grade Sangamo Special)

Sell Your Watch Save to My Collection Print Page Find a Mainspring Find a Balance Staff

Similar Watches For Sale

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Great Sangamo Special Illinois Watch Co 21J adjusted 6 pos 16s pocket watch 1915

Check Price Source: eBay.com

Illinois Sangamo Special 23 Jewel Model 10 Pocket Watch

Check Price Source: eBay.com

Vintage Illinois Pocket Watch "Sangamo Special" 23 Jewels 3 Star Near Mint 17 Sz

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2728418

Access Date: November 14, 2024

From the American Horology Archive:

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	2728418
Grade:	Sangamo Special
Variation:	True Bridge
Model:	9
Estimated Production Year:	1915
Run Quantity:	600
Grade/Model Run:	11 of 25
Grade/Model Total Production:	8,070
Variant Est. Production:	2,450 (16S-M9-21J-ONL-A6PTI-TRUE BRIDGE)
Size:	16s
Jewels:	21j
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:	True Bridge
Double Roller:	Yes
Barrel:	Going
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:	8681.G14.16S2512.169M120.O4031.L6058.21J622
Database Version:	v52.433
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	24.29
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	81.91
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.142%
Registry Population: Scoped for This Run Only	12 (2.00%)
$ Estimated Value (12 Month Change):	-3.86% Analyzing 154 Sales

Value Guide

What is My Watch Worth?

Have a Question?

Ask the experts in The Pocket Watch Group

Production Metrics Tree: Grade Sangamo Special

Target Profile: 16S-M9-21J-ONL-A6PTI-TRUE BRIDGE

Illinois Grade Sangamo Special (All Variations): 30,260 ETP
16S: 12,660 41.84% 16s, Grade Sangamo Special				Other: 17,600 Other Sizes or Unclassified
16S-M9: 8,070 26.67% 16s, Grade Sangamo Special, Model 9			Other: 4,590 Other Models or Unclassified
16S-M9-21J: 3,350 11.07% 16s, Grade Sangamo Special, Model 9, 21 Jewels		Other: 4,720 Other Jewels or Unclassified
16S-M9-21J-ONL: 3,350 11.07% 16s, Grade Sangamo Special, Model 9, 21 Jewels, Openface/Lever/Nickel
16S-M9-21J-ONL-A6PTI: 3,350 11.07%
16S-M9-21J-ONL-A6PTI-TRUE BRIDGE: 2,450 8.10%	Other: 900 Other Variants or Unclassified

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 12 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Yes

Why Might This Information Be Incorrect?

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.