Important Modern & Vintage Timepieces
Hong Kong, Nov 27, 2016
IWC REF. 3540 INGENIEUR PERPETUAL CALENDAR MOON PHASES YELLOW GOLD International Watch Co., Schaffhausen, "Ingenieur Perpetual," Ref. 3540. Made in the 1990s. Very fine, tonneau-shaped, center seconds, self-winding, water- resistant, 18K yellow gold wristwatch with perpetual calendar, moon phases and an 18K yellow gold IWC buckle.