CITIZEN Promaster Navihawk Eco Drive 40mm Watch Steel An additional square stone links Ring Size:9 An additional square stone links to a striking Features Movement: U680†Eco Drive Case Size: 46mm Water Resistance: 20†bar (200†metres) Dial Colour: Blue Synchronized to Atomic Clock for Superior Accuracy Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 43 World Cities 1 100 Second Chronograph Measures up to 24 Hours Perpetual Calendar†Dual Time (Second Time Zone) 2 Alarms 99 Minute Countdown Timer Digital Backlight Display Coordinated Universal Time (UTC) Display Power Reserve Indicator and a date indicator wearing boldly with its sharp faceting and satin finishing