Casio G-Shock - Dual Core Guard structure watch MTG-B3000BD-1A

Advanced Dual Core Guard structure, the MTGB3000 protects the module in a carbon-reinforced resin case and encloses the exterior in metal components. Using high-density mounting technology, a new slimmer, multi-function module was developed. All of these innovative designs and technologies results a much thinner watch, measuring just 12.1 mm from bezel to case back. Case / bezel material: Resin / Stainless steel Resin Band Dual Core Guard structure Screw Lock Crown TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant) Neobrite Sapphire crystal with glare-resistant coating Dark gray ion plated bezel Dark gray ion plated band Screw Lock Back 200-meter water resistance Tough Solar (Solar powered) LED light (Super Illuminator) Afterglow 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 Mobile link (Wireless linking using Bluetooth®) The auto hand home position correction Hand shift feature (Hands move out of the way to provide an unobstructed view of indial) Dual time 27 time zones, Home city time swapping, auto summer time (DST) switching 1-second stopwatch Measuring capacity: 23:59'59 Measuring modes: Elapsed time Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments) Daily alarm Power Saving (hands stop to save power when the watch is left in the dark) Full auto-calendar (to year 2099) Date display Day indicator Regular timekeeping Analog: 3 hands (hour, minute (hand moves every 5 seconds), second) 3 dials (dual time hour and minute, dual time 24 hour, day) Accuracy: ±15 seconds per month (with no signal calibration and mobile link function) Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 29 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Size of case : 51.9×50.9×12.1mm Total weight : 111g