Ulysse Nardin Complications Quadrato Dual Time Perpetual 320-90-

The Perpetual Calendar can be adjusted forward and backward over a síngle crown, H/M/s/D/DD/M/Y, 2nd time zone on main dial with patented quickset. Permanent home time on 3rd hand. Big Date in double window.
Ref. Nr.     320-90-8M/91
Diameter     42 x 42 mm
caso     18 ct white gold case
Dial     Silverized
Power-reserve     Approx. 42 hours
Winding     Self-winding
Water-resístant     50 meters
Crystal     Sapphire crystals
pulsera     White gold bracelet with ceramic links
Buckle type     Deployant clasp