IWC Portuguese 325, 40s Stainless steel round case, n.1017736. Black dial, luminescent arabic numerals. Hand-winding movement, cal.74, n.839937. Leather strap. Size: 42 mm. Notes: Reference 325 was the very first model within the Portuguese family. In 1939, Portuguese watch importers Mr. Rodrigues and Teixeira made a special request to IWC, to create an oversized wristwatch with a highly accurate movement, originally housed in pocket watches. Reference 325 has been produced in 304 pieces equipped with caliber 74 and 329 with caliber 98.