Gruen Curvex Precision 14K Gold Wristwatch. Fancy curved rectangular dial signed Greun, Curvex Precision, has 3 bezel set diamonds and sub seconds dial, fancy cut crystal over the dial; spring driven 17 jewel movement signed Gruen Watch Co., with Curvex Precision Patent, winds and sets, not running. In a signed Gruen 14K white gold case weighing 39.9g (1.41 oz) with movement removed.