Automatic mechanical movement with a frequency of 28,800 vph (4 Hz). Caliber 4131 base. Power reserve approximately 72 hours. Scratched sapphire crystal. Fixed black Cerachrom bezel. Black rubber strap fitted to Oysterlock folding clasp. Analog display featuring sundial type dial in gold tone finish with luminous elements on hands and markers. Rose gold-tone hands and applied index hour markers (including minute indices). Minute track around the outer rim. Includes central chronograph second hand, date function at 3 o'clock, small seconds sub-dial for measuring minutes across the hour totalizer at 90 seconds. Chronometer certified movement ensuring precision timekeeping. Water resistant to 100 meters / 330 feet.