IWC Schaffhausen - Caliber 403 - No reserve price - 2067635 - Men - 1970-1979

Now available at auction from Second Vintage This classic IWC Schaffhausen dress watch features a striking silver sunburst dial paired with printed Roman numerals, presenting a highly refined aesthetic. Housed within a distinctive stainless steel tonneau case and powered by the respected in-house Caliber 403, the timepiece is further distinguished by a beautifully designed scalloped crown signed by the manufacturer. Brand: IWC Serial Number: 2067635 Movement: Manual wind Caliber 403 Dial: Silver sunburst finish with printed black Roman numerals and vintage patina Case Size: 33mm (excluding the crown) Case Material: Stainless Steel Production Year: 1970s Condition: Good vintage condition. Timegrapher: -10-12s/day, performing remarkably well. Dial and Hands The dial displays a classic silver sunburst finish complemented by crisp, printed black Roman numerals. An even spotting and patina is distributed across the surface, giving the watch a distinct and appealing vintage character. The black stick hands remain well preserved, showing minor surface aging that is perfectly consistent with the dial. Case and Crystal The stainless steel tonneau-style case features a brushed top with polished flanks. The case exhibits honest wear, with moderate scratches and dings visible on the polished bezel area and the caseback, though the edges remain reasonably defined. The watch is fitted with a distinctive scalloped edge crown clearly signed IWC. A domed acrylic crystal protects the dial and remains clear with minimal visible wear or scratches. Movement Inside the case is the in-house manual wind Caliber 403. The movement presents clean plates and bridges with no obvious signs of corrosion or damage, showing only minor surface scratches. Engravings on the movement read INTERNATIONAL WATCH Co., SWISS, 2012829, and C.403. The timegrapher reads -10-12s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is paired with an excellent condition black leather strap featuring white contrast stitching. This strap is secured by a generic unsigned buckle. Condition Good vintage condition. The dial presents an even spotting and patina that adds genuine character to the piece. The stainless steel case displays honest wear, including moderate scratches and dings on the polished bezel area and caseback, while retaining reasonably defined edges. The hands show minor aging consistent with the dial, and the domed acrylic crystal is clear. Supported by the recorded timegrapher result, the movement is performing very strongly. Dimensions The case measures 33mm (excluding the crown). Remarks The combination of a tonneau case and a classic Roman numeral dial creates a highly versatile and elegant profile. Powered by the reliable in-house Caliber 403 and featuring a beautifully crafted scalloped crown, this timepiece offers strong mechanical performance and authentic 1970s charm. History International Watch Co. has a long tradition of producing refined dress watches that balance elegant aesthetics with robust in-house mechanics. During the 1970s, IWC experimented with tonneau and cushion case shapes, offering a subtle departure from traditional round cases while maintaining classical dial layouts. The Caliber 403 is part of a celebrated family of manual-wind movements known for their reliability and traditional Swiss finishing. / Second Vintage SKU: IWC-SXX-0002