Ulysse Nardin San Marco limited edition platinum wristwatch; ref. 209-20, number 2 in a limited edition of 50 examples. Guilloche silver dial, with applied white gold indexes and Roman numerals, center seconds, lume hands and dot markers, two timezone and 24 hour indication, screw down crown with blue enamel logo, rectangular push-button at 2 to move the hour hand backwards, at 8 to move it forwards, apertures for the date at 3, for the second time zone at 11 with black Arabic numerals on a white background for diurnal hours and white numerals on a black background for the nocturnal hours, 21 jewel Eta 2892-A2 self wind movement, screw down back embossed with the lion of San Marco, size 37 mm, leather band with UN platinum buckle, total wt.115.81g, C - 1990's.