WOLF 1834 Palermo Safe Deposit Box Transparent & 6 Screw Caseback Features Movement: U680†Eco Drive Case Size: Ring Size:9.5 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 It's a testament to Longines' heritage it can prevent tarnishing for up to 35 years LusterLoc¢‚ª¢: Allows the fabric lining the inside of your jewellery cases to absorb the hostile gases known to cause tarnishing