Power source: Tough Solar (solar recharging system) Time correction: MULTIBAND6 radio-controlled clock for Japan, North America, Europe and China Case and bezel material: Titanium Case size (length x width x thickness): 54.7 x 49.8 x 16.9 mm Surface treatment: dlc treatment + deep hardening treatment Glass: sapphire glass with internal anti-reflective coating Band: Metal band (titanium) Attachable band size: 150 to 205 mm Weight: 150g Structure: Shock-resistant structure (shock resist) Water resistance: 20 atmospheric pressure Crown: Screw-lock crown Antimagnetic watch (JIS Class 1) - Neo-brightness Mobile link function: Mobile link function (functions linked with compatible cell phones via Bluetooth communication) Application: "mr-g Connected" compatible World time: Dual time (27 time zones, with automatic daylight saving time setting function and home time switching function) - Stopwatch: Stopwatch (1 second, 24-hour counter) Timer: timer (set unit: 1 minute, maximum set time: 24 hours, measured in 1 second increments) Alarm and time signal: time signal Light: led light (with super illuminator and afterglow function) Color: led: white Calendar: Fully automatic calendar Hand position correction function: Automatic hand position correction function Date and day display Power-saving function (stops the hands after a certain period of time in the dark to save power) Driving time: Driving time without solar power generation from full charge: Approx. 5 months when using function: Approx. 26 months when using power saving mode Accuracy: *When not receiving radio waves or not linked to a smartphone, the watch operates with normal quartz precision (average monthly difference ±15 seconds). Time setting details: Standard radio reception function: Automatic reception (up to 6 times/day) (Chinese radio reception: up to 5 times/day) / models compatible with manual reception stations) Reception radio wave: wwvb, frequency: 60kHz Reception radio wave: msf / DCF77, frequency: 60kHz / 77.5kHz Reception radio wave: bpc, frequency: 68.5kHz *Home time setting When the time difference is set so that standard radio waves can be received, the watch will receive the station corresponding to the time difference.