Basic Information Case size (L× W× H) 56 × 49.7 × 18.6 mm Weight 132 g Case and bezel material Case / bezel material: Titanium Band Dura Soft Fluoro Rubber band Accompanied attached band Construction Shock Resistant Magnetic Resistant Water resistance ISO 200 meters Water Resistance Time adjustment Radio-controlled Watch; Multi band 6 Power supply and battery life Tough Solar (Solar powered) Smartphone Link/App Connectivity Features Smartphone Link feature Mobile link (Automatic connection, wireless linking using Bluetooth) Apps CASIO WATCHES App connectivity feature Auto time adjustment Easy watch setting Approximately 300 world time cities Diving log Tide graph setting (approximately 3,300 global points) Watch status display Self check Phone finder Premium Production Line certificate Glass Sapphire crystal with glare-resistant coating Spherical Glass Crown Screw Lock Crown Back plate Screw Lock Back Surface treatment Deep Layer Hardening + DLC Coating Compatible band size 150 to 220 mm Other Neobrite Diving feature Diving mode Dive time: 1 second increments, up to 1:59'59 Surface time measurement: up to 24 hours Log data: up to 30 records World time Dual time 27 time zones, Home time swapping, auto summer time (DST) switching Tide graph Tide graph (tide level for specific date and time) 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) Run time 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) Accuracy Accuracy: ±15 seconds per month (with no signal calibration and mobile link function) Other features Hand shift feature (Hands move out of the way to provide an unobstructed view of indial) 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) Date display Day indicator Time adjustment details 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 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