Vintage men's manual wind wristwatch, Omega K18 yellow gold case. Condition: fine with some minor scratches and discoloration. Japanese-made K18 case with Japanese flag mark. Crown and windshield replacement at service. Rare piece. Crown has Omega mark. Movement is Omega manufacture. Weight approximately 43.7g including belt. Diameter approximately 38mm. Includes new Roberta belt with Omega-marked gold-plated buckle. Sold as-is. No warranty. Letter pack shipping available (asking price plus shipping).