Reminiscent of CITIZEN®’s first Eco-Drive radio-controlled analogue world timer, the Chrono-Time A•T, now in its second generation, redefines atomic timekeeping. Featuring atomic clock synchronization for superior accuracy, an open time zone window and easy to use interface, a 1/5-second chronograph that measures up to 60 minutes, a perpetual calendar, 12/24-hour time, an alarm, a universal coordinated time (UTC) display, power reserve indicator, tachymeter, sapphire crystal, and is water resistant to 200 metres. Shown in stainless steel with a grey dial. Movement: Eco-Drive H610, Atomic Timekeeping Functions: Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 26 Time Zones, Displayed as Cities, Perpetual Calendar, 1/5-Second Chronograph, Power Reserve Indicator, Alarm, 12/24-Hour Time Band: Silver-Tone Stainless Steel Bracelet, Fold Over Clasp with Hidden Double Push Button Case Size: 44mm Case Material: Silver-Tone Stainless Steel Crystal: Sapphire Crystal Water Resistance: WR200/20Bar/666ft Swimming, Marine Sports