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: 2418714
Grade: Sangamo
Model: 4
Estimated Production Year: 1912
Run Quantity: 20
Grade/Model Run: 54 of 57
Grade/Model Total Production: 7,385
Size: 16s
Jewels: 25j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Two-Tone
Movement Signing Style: Mixed
Movement Inlay Color: Gilt
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: No
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Movement Markings: Benjamin Franklin
U.S.A.
25 Ruby Jewels
Adjusted
Temperature
6 Positions
Isochronism
Double Roller
Case: Various
Run ID: 7579.G154.16S2061.164M892.H3728.L5665.25J6
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
22.11
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
74.95
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.130%
Registry Population: 1 (5.00%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


Ktjones72 13 · April 13, 2018

Serial Number 2418714 was reported as accurate.

Illinois Grade Sangamo Pocket Watch