Features: Hours, minutes & small hacking secondsDay & Date WindowChronograph function with 30 minute counter Specifications:Movement: Automatic, self-winding 79320 CalibreFrequency: 28,8000 vph or 4HzJewels: 25Power Reserve: 44 hoursWater Resistance: 3 bar / 3 meters / 100 ft Case:Material: Stainless steel caseDiameter: 42.0 mm x 13.6 mmCrystal: Sapphire crystal, convex, anti-reflective coating on both sidesCaseback: Closed Dial:Design: Silver-plated dialHands: Rose gold tone handsMarkers: Rose gold tone indexes Strap:Black alligator leather strap Remarks:The Portofino Chronograph takes its design cues from the 1960s, with elegantly sporty push-buttons and chronograph displays. The stainless-steel chronograph watch has a convex sapphire glass and appliqué Roman numerals on its silver-plated dial. It is powered by the tried and tested self-winding 75320 calibre with its 44-hour power reserve and comes with a black alligator leather strap.