Case dimensions (L x W x T) 49.5 x 44.4 x 13.6 mm Weight 122g Case / bezel material Titanium / Cobalt Strap material Metal band (titanium band) One-touch three-fold buckle with slide adjustment mechanism Shock-resistant structure (shockproof) Antimagnetic watch (JIS Class 1) 200M water resistance Time correction Bluetooth: Connect to your smartphone and automatically adjust the time Radio clock MULTIBAND6 for Japan, North America, Europe, and China Tough Solar (solar charging system) Mobile phone linkage function (functional linkage with compatible mobile phones via Bluetooth communication) App Compatible with "CASIO watches" App linkage function Automatic time correction Easy clock setting Time and location Clock status display Self-test Mobile phone search Glass Sapphire glass with anti-reflective coating on the inside Crown Screw-lock crown Surface treatment DLC processing Adjustable size of the strap 150～205mm LED light (super luminescent with afterglow function) LED: White Full auto calendar Automatic hand position correction function Power saving function Accuracy *If the radio wave is not received or not connected to the smartphone, it will operate with normal quartz accuracy (average monthly error ±15 seconds). Other functions Date/day display Time adjustment details Radio wave reception function: automatic reception (up to 6 times/day) (up to 5 times/day for Chinese radio waves)/manual reception, Received radio wave: JJY, frequency: 40kHz/60kHz (models compatible with Fukushima Station and Kyushu Station) Received radio wave: WWVB, frequency: 60kHz Received radio wave: MSF/DCF77, frequency: 60 kHz/77.5 kHz Received radio wave: BPC, frequency: 68.5kHz *If you set your home time to a city where radio waves can be received, you will receive the station appropriate for your city. Please note that the time difference is set according to the selected city or time zone. Local time city (city compatible with reception function)/received radio wave Tokyo/Japanese standard radio wave JJY40/JJY60 Los Angeles, Denver, Chicago, New York/US standard radio wave WWVB London, Paris, Athens/British standard radio wave MSF/German standard radio wave DCF77 Beijing, Hong Kong/Chinese standard radio wave BPC