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IWC | PORTUGIESER GRANDE COMPLICATION, REF 3774, LIMITED EDITION PLATINUM MINUTE REPEATING PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES AND YEAR INDICATION CIRCA 2013 | Watches Weekly | Geneva | 2020 | Sotheby's
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IWC, "GRANDE COMPLICATION" 950 PLATINUM SELF-WINDING PERPETUAL CALENDAR CHRONOGRAPH MINUTE REPEATING BRACELET WRISTWATCH WITH MOON-PHASE DISPLAY, LIMITED PRODUCTION OF 50 PIECES PER YEAR
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IWC 3770-003 Grande Complication Minute Repeater Perpetual Calendar Platinum (19105) | European Watch Co.
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