Zenith 4021, Chronomaster T Open, Reference 03.0240.4021, Stainless Steel on a Stainless Steel bracelet, Partially Skeletonized Automatic El Primero Movement, Chronograph Function with Minute Counter at 3, Small Seconds at 9, Power Reserve Indicator, Black Guilloche Textured Dial With Applied Silver Indexes, Diameter: 40mm, Thickness: 14mm, Display Back, Sapphire Crystal, Water Resistant to 30 Meters, Excellent with box, instruction manual and box. No original guarantee card