CITIZEN Promaster Skyhawk A T Eco Drive 46mm Watch SpecialBlackBayFeatured • Unidirectional aluminum diver's bezel SEE THROUGH CASE BACK • Unidirectional aluminum diver's bezel Known as the “Big Crown” among collectors Features Movement: U680†Eco Drive Case Size: 46mm Water Resistance: 20†bar (200†metres) Dial Colour: Black 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 any light and never needs a battery and is water resistant up to 200 metres