IWC Ingenieur sog. JUMBO sehr seltene, frühe Herrenarmbanduhr in GG 750/000 Referenz 9503, Schweiz um 1976, Automatik, massives verschr. Geh. inkl. orig. (Gay Freres) Gliederband m. Faltschl., gold. Zifferbl. mit aufges. Std.-Ind. altersbed. pat./fl., gold. Leuchtzeiger, Datum, rhod. Werk im Weicheisen-Innengeh. Kal. 8541 B, D. ca. 40 mm, L. ca. 22,5 cm, Gew. ca. 272g, Nutzsp., EZ 2-3 IWC Ingenieur so called JUMBO very rare, early gents wristwatch in 18k yellow gold reference 9503, Switzerland around 1976, self winding, solid screwed down case including original (Gay Freres) bracelet with deployant clasp, gilded dial with raised hour indices due to age patinated/spotty, gilded luminous hands, date, rhodium plated movement in soft iron inner case calibre 8541 B, diameter approx. 40 mm, length approx. 22,5 cm, weight approx. 272g, signs of use, condition 2-3