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Discover innovative form and structural beauty — MT-G timepieces that combine metal materials with the resin used in the first G-SHOCK models. Now, in the powerful form and refined elegance of carbon fiber and metal in black. The MTG-B4000 features an updated Dual Core Guard structure with a frame design integrating carbon fiber and stainless steel, which was developed with the aid of artificial intelligence trained with big data on impact resistance. The result is an innovative design that delivers both strength and beauty. A seamless collaboration between AI capabilities and human developers, this timepiece creatively integrates materials, structure, and design into an organic whole of functional beauty. Base designs created by human designers were analyzed and simulated by AI and then reevaluated and further refined by the human hand to render a unique form that organically synthesizes functionality and beauty. The intricate, dimensional form of the frame is created from a base material of laminated carbon and glass fiber sheets, revealing a beautifully layered pattern. The bezel features a dual-layer design of inner and outer bezels, with stainless-steel components polished with separate hairline and mirror finishes, then ion-plated in black for a sophisticated textural look. The watch employs the Triple G Resist structure to withstand shock, centrifugal force, and vibration. The case is also protected by the dimensional form of the case back, which is created using metal injection molding (MIM), a method of processing metal in which fine metal powder is injected into molds. For the MTG-B4000B-1A, the multi-layered carbon frame and dial are accented with touches of vibrant red and paired with a supple, yet durable soft urethane band, for a dynamic and sporty design. Beyond employing the sapphire crystal for high transparency, meticulous attention to detail is apparent throughout, including the delicate components of the intricate dial design, achieved with fine processing technology from Yamagata Casio. World time 38 time zones (27 cities + coordinated universal time), Home city time swapping, auto summer time (DST) switching * Subject to updates by connection between the watch and a phone. Stopwatch 1-second stopwatch Measuring capacity: 23:59'59 Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-second increments) Alarm/hourly time signal Daily alarm Light LED light (Super Illuminator) Afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Hand home position correction feature The auto hand home position correction Energy saving feature Power Saving (hands stop to save power when the watch is left in the dark) Battery display/alert Battery level indicator Run time Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy Accuracy: ±15 seconds per month (with no signal calibration and mobile link function) Other features Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day) Day indicator Date display Time adjustment details 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
Discover innovative form and structural beauty — MT-G timepieces that combine metal materials with the resin used in the first G-SHOCK models. Now, in the powerful form and refined elegance of carbon fiber and metal in black. The MTG-B4000 features an updated Dual Core Guard structure with a frame design integrating carbon fiber and stainless steel, which was developed with the aid of artificial intelligence trained with big data on impact resistance. The result is an innovative design that delivers both strength and beauty. A seamless collaboration between AI capabilities and human developers, this timepiece creatively integrates materials, structure, and design into an organic whole of functional beauty. Base designs created by human designers were analyzed and simulated by AI and then reevaluated and further refined by the human hand to render a unique form that organically synthesizes functionality and beauty. The intricate, dimensional form of the frame is created from a base material of laminated carbon and glass fiber sheets, revealing a beautifully layered pattern. The bezel features a dual-layer design of inner and outer bezels, with stainless-steel components polished with separate hairline and mirror finishes, then ion-plated in black for a sophisticated textural look. The watch employs the Triple G Resist structure to withstand shock, centrifugal force, and vibration. The case is also protected by the dimensional form of the case back, which is created using metal injection molding (MIM), a method of processing metal in which fine metal powder is injected into molds. For the MTG-B4000B-1A, the multi-layered carbon frame and dial are accented with touches of vibrant red and paired with a supple, yet durable soft urethane band, for a dynamic and sporty design. Beyond employing the sapphire crystal for high transparency, meticulous attention to detail is apparent throughout, including the delicate components of the intricate dial design, achieved with fine processing technology from Yamagata Casio. World time 38 time zones (27 cities + coordinated universal time), Home city time swapping, auto summer time (DST) switching * Subject to updates by connection between the watch and a phone. Stopwatch 1-second stopwatch Measuring capacity: 23:59'59 Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-second increments) Alarm/hourly time signal Daily alarm Light LED light (Super Illuminator) Afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Hand home position correction feature The auto hand home position correction Energy saving feature Power Saving (hands stop to save power when the watch is left in the dark) Battery display/alert Battery level indicator Run time Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy Accuracy: ±15 seconds per month (with no signal calibration and mobile link function) Other features Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day) Day indicator Date display Time adjustment details 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