CASIO G-SHOCK GM-2100B-3A Metal Covered Gray Gunmetal Case Green Dial Men's Analog-Digital Watch Steel Bezel Octagon Design Tough Stylish

Movement: Quartz Analog-Digital Water resistance: 20 ATM Dimensions: Height x Width x Thickness (excluding lugs and crown): Approximately 41 x 45 x 11 mm Weight: Approximately 71.5g G-SHOCK established a new concept of toughness in watches. It all began with the passionate belief of the developers to create a watch that wouldn't break even when dropped, a seemingly reckless challenge that defied the conventional wisdom of the time. Unlimited strength. Aiming for strength beyond that. G-SHOCK's challenge has no end. ＜Specifications and Functions＞ Shock-resistant structure (Shock Resist) 20 ATM water resistance Double LED light World time: 31 time zones (48 cities + UTC), daylight saving time on/off 1/100 second stopwatch Countdown timer 5 daily alarms and hourly time signal Full auto calendar (until 2099) Hand shift function 12/24 hour format Accuracy: Average monthly difference ±15 seconds