Vintage 10K gold filled Croton Nivada Grenchen Antarctic VII Automatic watch, All Original Dial, Case measures 35mm across, I can't open it, and it isn't running, has a Kreisler stainless steel band. Some scratches on case and back cover, Dial has some patina.This watch model was designed to withstand extreme temperatures good enough for the Explorers to take to the Antarctic.
No Box or papers,