Casio watch G-Shock G7900-1 [item]

[Size] (H x W x D) / Mass: 52.4 x 50 x 17.7 mm / 68.2 g [Material] Stainless steel, resin [Specifications] ● Shock-resistant structure (shock resist) ● Water resistant to 20 atmospheres ● World time: Time display in 48 cities (29 time zones) around the world, with daylight saving time setting function ● Moon data (moon phase and moon shape display) ● Tide graph ● 2 stopwatches (1/100 second, 1000 hour meter, with split), only stopwatch 1 has a 5-second countdown auto start function ● Timer (set unit: 1 minute, maximum set: 24 hours, measurement in 1 second increments, auto repeat, time-up notice) ● 5 multi-alarms (only one with snooze function) / time signal ● Fully automatic calendar ● 12/24 hour display switch ● Low temperature resistance (-20℃) ● Operation sound ON/OFF switching function ● EL backlight (with auto light, afterglow function, afterglow time switching (3 seconds/5 seconds)) ● Sound alarm flash function (alarm/hourly signal, timer notice/time up, stopwatch auto start, alarm flash linked)● Average monthly difference: within ±15 seconds [Accessories] Case, warranty, instruction manual 1 year Case/bezel material: Resin resin band Shock-resistant structure (shock resist) inorganic glass 20 ATM water resistant World Time: Time display in 48 cities (29 time zones) around the world, with summer time setting function Moon data (moon age/moon shape display) tide graph 2 stopwatches (1/100 second, 1,000 hour meter, with split), only stopwatch 1 has a 5 second countdown auto start function Timer (set unit: 1 minute, maximum set: 24 hours, measurement in 1 second increments, auto-repeat, time-up notice) 5 multi-alarms (only one with snooze function) / time signal Fully automatic calendar 12/24 hour display switching Low temperature specification (-20℃) Operation sound ON/OFF switching function EL backlight (with auto light, afterglow function, afterglow time switching (3 seconds/5 seconds)) Sound warning flash function (alarm/hourly signal, timer notice/time up, stopwatch auto start, sound linked flash) Accuracy: Average monthly difference ±15 seconds Battery life: about 2 years Size (H×W×D)/mass: 52.4×50×17.7mm/68.2g