The Perpetual Calendar can be adjusted forward and backward over a single 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
Case 18 ct white gold case
Dial Silverized
Power-reserve Approx. 42 hours
Winding Self-winding
Water-resistant 50 meters
Crystal Sapphire crystals
Bracelet White gold bracelet with ceramic links
Buckle type Deployant clasp
