Housing dimensions (length x width x thickness) 46.5×41.3×9.2 mm Weight 79 grams Case/bezel material titanium Strap material metal strap (titanium) solid strap One-touch three-fold buckle with sliding adjustment mechanism 100M waterproof time correction Radio Clocks for Japan, North America, Europe and China MULTIBAND6 Bluetooth: Connect to your smartphone and adjust the time automatically Tough Solar (solar charging system) Mobile phone link function (function to link with compatible mobile phones via Bluetooth communication) Application Compatible with "Casio Watches" Application linkage function Automatic time correction Easily set the clock time and place Clock status display Mobile search Glass Double-sided anti-reflective coated sapphire glass (hyperbolic) Surface treatment Titanium carbide treatment Adjustable strap size: 150 to 195 mm Fully automatic calendar Automatic needle position correction function Power saving function (in a dark place, the pointer will stop moving after a certain period of time to save power) accuracy *If no radio waves are received or connected to a smartphone, it will operate with normal quartz accuracy (average error of ±15 seconds per month). date display Time adjustment details Radio wave reception function: automatic reception (up to 6 times/day) (Chinese radio wave up to 5 times/day)/manual reception, Receiving radio wave: JJY, frequency: 40kHz/60kHz (model compatible with Fukushima Station and Kyushu Station) Reception wave: WWVB, frequency: 60kHz Receiving radio wave: MSF/DCF77, frequency: 60kHz/77.5kHz Receiving radio wave: BPC, frequency: 68.5kHz *If you set your home time to a city where you can receive stations, you will receive stations appropriate for your city. Local time city (city compatible with reception function)/received radio wave Tokyo/Japan standard radio wave JJY40/JJY60 Los Angeles, Denver, Chicago, New York, Halifax/US standard airwaves WWVB London, Paris, Athens/British standard radio wave MSF/German standard radio wave DCF77 Hong Kong/China Standard Radio Wave BPC