The Virtus Scuba Pro is a timepiece designed and realised for diving in depth. Water-proof up to 330 meters under water, has a unidirectional bezel, crown and screw back and antireflex and anti-scratch sapphire glass. On top of all of this there is a manual valve for helium escape. SCUBA PRO XL COLLECTION ø 46 mm Automatic movement - Professional Diver - helium escape valve 33atm/330m/1000ft Water-resistant - engraved Case-Back - Steel bracelet