Pocket Watch Database


From the American Horology Archive:
Illinois Grade 51 Pocket Watch

Illinois Watch Co.

Grade: 51

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 1336427 Question Mark
Grade: 51 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1896 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 12 of 80 Question Mark
Grade/Model Total Production: 16,395 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Train: Fine Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 16.5, 36.5, 53.0 Question Mark
Case Screw Locations: 23.5, 51.5 Question Mark
Movement Markings: Illinois Watch Co.
Springfield
15 Jewels.
Safety Pinion
Case: Various Question Mark
Run ID: 3326.51G29.18S2371.185M111.H1745.L2462.15J709 Question Mark
Database Version: v52.452 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
49.36 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
166.51 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.288% Question Mark
Registry Population:
Scoped for This Run Only
2 (2.00%) Question Mark
$ Estimated Value (12 Month Change): -16.67% Analyzing 134 Sales Question Mark
Research Note: #1336427: Verified as 18-Size Model 5 nickel movement marked "15 Jewels" [eBay #134232235284]. The Illinois book by Meggers and Ehrhardt records this run as "Grade 81" - the only Grade 81 in the serial list. The known example from this run, #1336427, is consistent with the Grade 51 classification, including the "15 Jewels" marking and the signing style on the barrel bridge. For this reason, the database has been updated to reflect Grade 51, but it is still possible the factory designated this run as Grade 81 for a reason if it is not a simple transcription error.

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Illinois Grade 51 Pocket Watch