Illinois Pocket Watch: Serial Number 1689826 (Grade 173)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/1689826

Access Date: January 03, 2025

From the American Horology Archive:

Illinois Watch Co.

Grade: 173

Production Inconsistent with Records. See Research Notes.

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	1689826
Grade:	173
Model:	4
Estimated Production Year:	1903
Run Quantity:	200
Grade/Model Run:	85 of 117
Grade/Model Total Production:	28,829
Variant Est. Production:	600 (16S-M4-17J)
Size:	16s
Jewels:	17j
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Barrel:	Going
Adjusted:	No
Railroad Grade:	No
Dial Feet Locations:	24.5, 36.5, 55.5
Case Screw Locations:	18.5, 52.5
Case:	Various
Run ID:	4950.173G139.16S1055.164M504.H2586.L4085.17J1031
Database Version:	v52.537
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	86.79
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	292.88
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.507%
Registry Population: Scoped for This Run Only	2 (1.00%)
Research Note: #1689826: Verified as Marked "Illinois Watch Co. - Springfield, U.S.A. - 17 Jewels - Adjusted" with wavy damaskeening pattern. The "Adjusted" marking is inconsistent with the Grade 173 classification - Possibly a Grade 175 [eBay #223695113869].

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Production Metrics Tree: Grade 173

Target Profile: 16S-M4-17J-HNL-U

Illinois Grade 173 (All Variations): 47,319 ETP
16S: 47,319 100.00% 16s, Grade 173
16S-M4: 28,829 60.92% 16s, Grade 173, Model 4		Other: 18,490 Other Models or Unclassified
16S-M4-17J: 600 1.27% 16s, Grade 173, Model 4, 17 Jewels	Other: 28,229 Other Jewels or Unclassified
16S-M4-17J-HNL: 600 1.27% 16s, Grade 173, Model 4, 17 Jewels, Hunting/Lever/Nickel
16S-M4-17J-HNL-U: 600 1.27%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.