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FRANCK MULLER | CASABLANCA PERPETUAL, REF 5850 QP PLATINUM CURVED TONNEAU-SHAPED PERPETUAL CALENDAR WRISTWATCH WITH MOON PHASES AND LEAP-YEAR INDICATION CIRCA 1999 | Watches Online | 2020 | Sotheby's
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FRANCK MULLER, REF. 5850 MC L, MASTER CALENDAR, YELLOW GOLD | Important Modern & Vintage Timepieces - Important Modern & Vintage Jewels | Geneva, November 10-11, 2019
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