HARRY WINSTON REF. 200-MAPC 41W, "PREMIER EXCENTER BI-RETRO PERPETUAL CALENDAR"; 18K WHITE GOLD | Important Modern & Vintage Timepieces | Monaco Auction HARRY WINSTONREF. 200-MAPC 41W, "PREMIER EXCENTER BI-RETRO PERPETUAL CALENDAR"; 18K WHITE GOLD, A very fine and rare, 18K white gold, self-winding, round-shaped, gentleman's wristwatch, water-resistant with sapphire-crystal case-back screwed by eight screws, silver dial, bissextile perpetual calendar, retrograde date of the month, retrograde month of the year, leap-year indication and moon phases.
