LOT 272 Very fine and rare platinum, 18k yellow gold, 18k pink gold and 18K white gold manual-winding wristwatches with perpetual calendar and moon- phases. CHF 500,000 - 800,000

LOT 267 Very fine and extremely rare stainless steel, self-winding, two time zone wristwatch, tropical gilt dial with date and an added original bakelite bezel. CHF 40,000 - 60,000

LOT 266 Very rare stainless steel, self-winding diver's wristwatch, "double red" patinated black dial with date and helium escape valve. CHF 22,000 - 32,000

LOT 295 Very fine and very rare stainless steel, manual winding chronograph wristwatch, black epoxy bezel with tachometer scale, black dial with 3 silver registers. CHF 150,000 - 200,000