Accutron Spaceview Evolution Electorstatic 43.5mm Watch Pendants Features Movement: U680†Eco Drive Case Size: Interlocking G charms Features Movement: U680†Eco Drive Case Size: 45mm 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 This stunning effect is continued on the blue leather strap the second hand gradually returns to the current second indication and the power save function is canceled Blue suede strap