Case material: White gold; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: Quadrato Dual Time Perpetual Price on request Gmtbroker Reference: 320-90-8m/92 Ulysse Nardin 320-90-8m/92 Complete Details: New to the Ulysse Nardin Perpetual Calendar series - with a substantial Bold Square Case. This watch features: Polished and brushed 18kt white gold case. Brushed and polished 18kt white gold bracelet with rotating black ceramic bars between the center links. Black dial with a horizontal linear pattern. Silver-toned faceted index hour markers. Silver-tone skeletonized hands filled partially with luminescence do not intefere with reading the dial. Perpetual calendar complication with day/date/month/year displays. GMT/second time zone with a yellow arrow-head hand pointing to the hour indicators in the black rim around the dial. Small seconds sub-dial located at the 9 o'clock position. Automatic movement with an approximate power reserve of 45 hours. This is one of the only perpetual calendar complications that allow the date to be quick-set forward and backwards.   Featured Complications: Perpetual Calendar | GMT Time Zone This watch is also known as 320908m92