This item is a vintage Elgin wristwatch, likely featuring an Art Deco design from the late 1920s to early 1930s.

Design: Features a square or cushion-shaped tonneau case, frequently made of gold-filled or nickel-plated material.

Dial: The dial often has aged parchment-like coloring, bold numerals, and a separate subdial for seconds.

Movement: These vintage timepieces commonly use mechanical manual movements, such as the 7-jewel Caliber 462, 485, or 488.

See pictures for details

Not tested