Zenith Chronomaster XXT Open, Reference 03.1260.4021/73-0001, Stainless Steel on a Strap with a Stainless Steel Deployant Buckle, Partially Skeletonized Automatic El Primero Movement, COSC, Chronograph Function with Minute Counter at 3 O'Clock, Power Reserve Indicator, Small Seconds at 9 O'clock, Cobalt Dial, Diameter: 45mm, Thicknes: 14.5mm, Display Back, Sapphire Crystal, Water Resistant to 30 Meters, Excellent condtion but watch only.  No box or papers