GRUEN Curvex rare big gents wristwatch in 14 kt goldfilled case, USA around 1940, manual winding, long & highly curved two-piece construction case abraded, gilded duotone-dial with raised Breguet numerals restored, gilded Breguet-hands, constant second at 6, rhodium plated movement calibre 330, 17 jewels, endstone on escape wheel, screw balance with Breguet-hairspring, measures approx. 50 x 22 mm, condition 2-3