S1 series. Stainless steel tonneau case with black rubber strap and buckle. Silver tone dial with luminous hands and hour markers. Chronograph. Date display. Precise Swiss Quartz movement. Scratch resistant Flame Fusion crystal. Water resistant to 100m. Case measures 48mm diameter by 15mm thick. Size/Dimensions: Large Gift Box: Gift Box Material: Stainless Steel Movement: Japanese Quartz Date: No Date Chronograph: No Chronograph Alarm: No Power: Battery