Title: Rare Vintage Art Deco Parker Tank Mechanical Wristwatch – Swiss 7 Jewels (1930s) ​Description: Up for sale is a stunning and collectible vintage Parker Tank manual-wind wristwatch dating back to the 1930s. Showcasing exquisite Art Deco design lines and craftsmanship, this timepiece is a true must-have for vintage watch enthusiasts and collectors. ​Specifications & Details: ​Brand / Model: Parker Watch Co. – Art Deco Tank ​Movement: Swiss-made, 7 Jewels mechanical manual-wind movement (signed Parker Watch Co. on the movement bridge). ​Case Dimensions: ​Width (excluding crown): Approx. 29.1 mm ​Lug-to-Lug length: Approx. 35.9 mm ​Case & Dial: Beautiful Art Deco engraved case details, crisp Arabic numerals, and a classic sub-dial for seconds at the bottom. The case back is stamped "Base Metal / Stainless". ​Strap: Fitted with a black leather strap. ​The watch is in good mechanical working order for its age. It shows honest signs of vintage wear on the case and dial consistent with an antique timepiece—please refer to the high-resolution photos for exact cosmetic condition. No paper , no box