Corum Ref. 42400

CORUM GR. 10 GOLD INGOT QUARTZ WRISTWATCH Corum, Ingot Watch, No. 1690, case No. 370437, Ref. 42400. Made in the 1980s. Fine, rectangular 18K yellow gold wristwatch made of a 10 gram 999.9 gold ingot with a gold plated Corum buckle. C. Two-body, solid, polished, case back with 4 screws, cabochon diamond-set winding crown, sapphire crystal. D. Made of a 10-gram ingot gold bar, stamped: Union Bank of Switzerland. Yellow gold and black baton hands. M. With quartz standardization. Notes Dial, case and movement signed. DIAM. 21 x 34 mm. THICKNESS 6 mm