Its case has a powerful presence and is shock resistant has an anti-magnetic structure to confirm its toughness. There's a reason why G-Shock is know as the toughest watch in the world and this is a perfect example. Features: Mineral Crystal Glass - Shock Resistant - Magnetic Resistant - 200 Meter Water Resistant - Case / Bezel Material: Resin - Band Material: Resin - Auto LED Light with Afterglow - 4 Daily Alarms and 1 Snooze Alarm - World Time: 29 times zones (48 cities + UTC) daylight saving on/off home city/world time swapping - Stopwatch: 1/1000 second stopwatch - measuring capacity: 99:59'59.999" - measuring modes: Elapsed time lap time split time speed (0-1998 units/hour) and selection distance input (0.0-99.9) - Countdown Timer: Measuring unit: 1 second range 24 hours countdown start time setting range is 1 minute to 24 hours (1-minute increments and 1-hour increments) auto-repeat - Auto Calendar (pre-programmed until the year 2099) - Accuracy: +/-15 seconds per month - Size: 55.0 x 51.2 x 16.9mm - Weight: 75g - Battery : approx 2 years (CR1220) - 2 Year Warranty

• Mineral Glass
• Magnetic Resistant
• Shock Resistant
• 200-meter water resistance
• Case / bezel material: Resin

Mineral GlassCasio