Casio MTGS1000D-1A G-Shock men's alarm dive watch features a 54mm wide and 16mm thick black resin and solid stainless steel case with a fixed bezel and textured push-pull crown with function pushers. Casio MTGS1000D-1A is powered by Japanese quartz movement. This stylish watch features a textured black dial with white luminous hands and index hour markers along with the 12/24-hour time, day-date, month and year display functions. This attractive watch also features neobrite, shock resistant, triple G resist, solar powered, time calibration signal reception, auto receive up to six times a day (remaining auto receives canceled as soon as one is successful), 5 times a day for the Chinese calibration signal, manual receive, the latest signal reception results, time calibration signals, station name: DCF77 (Mainflingen, Germany), frequency: 77.5 kHz, station name: MSF (Anthorn, England), frequency: 60.0 kHz, station name: WWVB (Fort Collins, United States), frequency: 60.0 kHz, station name: JJY (Fukushima, Fukuoka/Saga, Japan), frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga), station name: BPC (Shangqiu City, Henan Province, China), frequency: 68.5 kHz, the auto hand home position correction, world time, 29 time zones (29 cities + coordinated universal time), daylight saving on/off, auto daylight saving time (DST) switching, home city/world time city swapping, 1/20-second stopwatch, measuring capacity: 1:59'59.95", measuring mode: elapsed time, other: auto-repeat, countdown timer, measuring unit: 1 second, countdown range: 120 minutes, countdown start time setting range: 1 to 120 minutes (1-minute increments), daily alarm, low battery alert, power saving (hands stop to save power when the watch is left in the dark), full auto-calendar (to year 2099), regular timekeeping, analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (24-hour, world time hour and minute, day), date, accuracy: ??15 seconds per month (with no signal calibration), approximate battery operating time:, 5 months on rechargeable battery (operation period with normal use without exposure to light after full charge)