The ISO-certified metric Depth Meter Chrono is a 50-minute chrono with depth display to 125 feet, max depth memory, power reserve indicator, 12/24 hour time, and 200M WR. Also, 1-way rotating elapsed-time bezel, screw-back case & screw-down crown, non-reflective crystal, 49mm case. Blue accents, poly strap, stainless steel black ion plating.