Powered by a mechanical movement (Caliber CH 28‑520 C), this model features a flyback chronograph, central chronograph hand, and a 60-minute counter. The blue dial with a black gradient displays an embossed Aquanaut motif and applied gold numerals with a luminous coating. Housed in white gold with a 42.2 mm diameter (10-4 o’clock) and 11.9 mm height, it offers water resistance up to 30 meters, a screw-down crown, and a sapphire crystal case back. It includes a midnight blue composite material bracelet with an Aquanaut folding clasp.