Case / bezel material: Resin / Stainless steel. Double LED light LED light for the face Full auto LED light, Neon illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow LED backlight for the digital display Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow. World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping. 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times. Countdown timer Measuring unit: 1 second Countdown range: 100 minutes Countdown start time setting range: 1 second to 100 minutes (1-second increments and 1-minute increments).Hand shift feature Hands move out of the way to provide an unobstructed view of digital display contents. Power Saving (display goes blank to save power when the watch is left in the dark). Full auto-calendar (to year 2099). Accuracy: ±15 seconds per month. Battery operating time: 8 months on rechargeable battery (operation period with normal use without exposure to light after charge) 19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge). The item "Casio G-Shock Master of G Series Mudmaster Watch GSG100-1A3" is in sale since Saturday, January 5, 2019. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches". The seller is "saatchiwatch" and is located in Elmwood Park, New Jersey. This item can be shipped worldwide.