Silver-tone stainless steel case with folding clasp, fixed bezel also in silver-tone stainless steel; Blue sunburst-patterned dial featuring silver-tone hands and index hour markers at the 3 o'clock position for date display, along with a subdial showing elapsed tenths of a second. Analog functions include hour, minute, date (at 3), and 1/10th of a second measurement. Powered by an El Primero automatic mechanical movement boasting up to 60 hours power reserve. Protected by scratch-resistant sapphire crystal glass; Equipped with screw-down crown and transparent case back for visibility. Meets technical requirements: Octagon shaped, 41mm diameter, 11.6mm thick; Water resistant to 330 feet (100 meters). Also comes with interchangeable straps - steel bracelet or blue patterned rubber one included.