LOT 293 Very fine and probably unique 18k yellow gold, world time, self- winding wristwatch with indication of 24 times zones, silver colour and polychrome cloisonné enamel dial displaying the...

LOT 290 Attractive and rare stainless steel, manual winding chronograph wristwatch with a fine tropical dial, 3 registers and black tachometer bezel CHF 45,000 - 90,000

LOT 281 Very rare 18k yellow gold, tonneau shaped, self-winding wristwatch with date at 3. CHF 40,000 - 80,000

LOT 294 Very fine and rare 18k white gold, world time, self-winding wristwatch with indication of 24 times zones, silver colour and polychrome cloisonné enamel dial displaying the European, African,...