Wrist Regatta. Ulysse Nardin Performance Certificate. Regatta countdown selector from 1 to 10 minutes. Countdown selector pusher, start/stop pusher, reset pusher. Date. Self-winding. Silicium technology. Caliber UN-155. 44mm. Stainless steel case. Water-resistant to 100m. Screw-down security crown. Marine Blue dial. Rubber strap with titanium element and deployant clasp.