Promaster SST Collection. Brushed black stainless steel case and link bracelet with push button deployment clasp. Black dial with luminous hands and hour markers. Digital display with red LED back light. 24h chronograph measures in 1/1000sec increments. 20 lap memory. Average speed calculation. Alarm. Digital calendar with day date and month. World Time in 43 Cities. 99 minute Countdown timer. Precise Eco-Drive movement. Scratch resistant mineral crystal. Water resistant to 200m. Case measures 46mm diameter by 14mm thick.Citizen Eco Drive Promaster Alarm Chronograph Mens Watch JW0097-54E