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International Watch Co. A Titanium Automatic Water Resistant Centre Seconds Calendar Diver's Wristwatch
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IWC - Porsche Design Ocean 500 Titan & Gold | DISCOVER GENUINE MILITARIA, ANTIQUES & COINS - ratisbon's
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IWC - Porsche Design - Titanium - Ocean 500 International Watch Co., Schaffhausen, Porsche Design, "Ocean 500", case No. 2527429, Ref. 3503. Made circa 1980. Fine, center seconds, self-winding, water-resistant, titanium and
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