August 16, 2026Published by on August 16, 2026Categories NOS Vintage Illinois Argonic Wrist Watch Case Chrome Plate on Nickle Ends 26.4mmIllinois Wrist Watch Case Argonic Chrome Plate on Nickle Case Only- New/Old Stock Watch Case Measures at 26.6mm Watch Case Ends Measure at 26.4mm SEE PHOTOS FOR DETAILS Comes From an Old Watchmaker's Shop that Closed Many Years Ago