Rare Vintage 1930s Eterna Art Deco Mechanical Wristwatch

Up for sale is an authentic vintage Eterna manual-wind mechanical wristwatch dating from the Art Deco era (circa 1930s).
Brand: Eterna (Swiss Made)
Movement: Swiss manual-wind / mechanical movement
Dial: Original aged champagne/silver two-tone dial with Art Deco printed Arabic numerals, minute track, blued steel hands, and a dedicated sub-seconds register at 6 o'clock.
Case: Stainless steel case with polished bezel, drilled lugs, and an oversized vintage onion/pumpkin crown.
Strap/Bracelet: Fitted with a period-correct stainless steel twist-flex/expansion bracelet.
Condition: Pre-owned vintage condition showing authentic patina across the dial and minor surface wear on the case consistent with age.
Sold as-is for collectors, horology enthusiasts, or vintage restoration.
Fully tracked and insured postage for E13