International Watch Co., Schaffhausen, «Portofino», Ref. 6751-001. | Important Contemporary Collector's Wristwatches | Geneva, Hotel Des Bergues, 23rd March 1997 International Watch Co., Schaffhausen, «Portofino», Ref. 6751-001., CHF 2,750 - 9,900Sold: CHF 5,060 Quartz, center second, waterproof, 18K yellow gold lady's wristwatch with date with 18K gold linked bracelet. Diam. 25 mm.