1917 ILLINOIS Pocket Watch 16s 19 Jewels Grade 306 ADJ Openface 10K GF

ILLINOIS 

Pocket Watch

19 Jewels Grade 306

“Time honored—Illinois Watch Company, the true pioneer in American horology.” This 1917 Illinois Grade 306 pocket watch, powered by a 19-jewel manually wound movement and housed in a 10K gold-filled openface case, delivers historical craftsmanship and big-grade reliability in a 16-size format. A beautifully preserved early 20th-century piece ideal for serious collectors.

 

PRODUCT OVERVIEW
Brand: Illinois
Type: Pocket Watch
Model / Reference: Grade 306 / Movement Serial No. 3184056
Year / Era: Vintage – 1917
Gender: Men’s
Country of Manufacture: USA
Dial: Analog display. White enamel dial with big bold black Arabic numerals, black and red minute track and big blued steel spade hands; small-second hand at 6 o’clock
Movement Type: Mechanical
Caliber: Grade 306
Jewels: 19
Movement Features: Manual wind, grade 306, model 7, size 16s, adjusted to 3 positions and temperature.

 

CASE / BAND
Material: 10K yellow gold-filled
Case Size:
Case Shape: Round with open face design
Bezel: Polished plain bezel
Back: Screw-down
Crown: Original push-pull onion-style crown
Crystal: Acrylic
Water Resistance: Not water resistant
Band: Not applicable – pocket watch

 

ADDITIONAL INFO
Box & Papers: NO
Other Accessories: None
Extra Information: Fully functional and keeping accurate time. Professionally inspected to ensure proper operation and clean movement.

 

EXTENDED DETAILS

Movement: Illinois Watch Co. Springfield 19 Jewels Adjusted 3 Positions 3184056

Case Back Markings: Dueber Warranted 20 Years   10017487

Measurements (mm):   Case Diameter Case Diameter w/Crown  Case Thickness

 

We appreciate you checking out our listing! Don’t hesitate to reach out with questions, offers, or just to talk watches — we love what we do and enjoy connecting with fellow enthusiasts.

 

At SECOND HAND HOROLOGY, we offer a curated selection of watches ranging from vintage to modern, including both brand-new and pre-owned timepieces. We’re committed to quality, accuracy, and integrity. Our listings feature professional, unedited photography and clear, transparent descriptions. Every watch is thoroughly inspected and securely packaged to ensure a confident, seamless buying experience. We also warmly invite you to visit our physical shop and explore the collection in person.

 

Thank you for your business—we truly appreciate your support and look forward to serving you again in the future!

 

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