Model number ocw-S6000-1AJF Belt center clasp three-fold push Dial color Black/Black Belt color silver Case material Titanium Belt material Titanium Water resistance 10 atm Wind shield Sapphire glass (anti-reflective coating on both sides) Dimensions: Case size: approx. 47.1 x 42.5 x 8.7 mm (length x width x thickness) Arm circumference: Approx. 150 to 205 mm Weight: approx. 86g Belt width: approx. 20.8mm Specifications: Neobrite Tough Solar (solar recharging system) Radio wave reception function: Automatic reception (up to 6 times/day) (up to 5 times/day for Chinese radio waves) / manual reception 　 Radio wave reception: jjy, frequency: 40kHz/60kHz (models compatible with both Fukushima and Kyushu stations) 　 Radio wave: wwvb, frequency: 60kHz 　 Radio reception: msf/DCF77, frequency: 60kHz/77.5kHz 　 Radio reception: bpc, frequency: 68.5 kHz 　When the home time setting is set to a city where reception is possible, the watch will receive the station corresponding to the city. The time difference is set according to the selected city. Mobile link function (functions linked via Bluetooth communication with compatible cell phones) Automatic hand position correction function World time: 27 cities (38 time zones, with automatic daylight saving time setting function) + utc (Coordinated Universal Time) time display, home time city switching function Stopwatch (1 second, 24-hour counter) Battery indicator display Power-saving function (stops the hands after a certain period of time in the dark to save power) Date and day display Fully automatic calendar Duration of operation without solar power generation from the time of full charge: Approx. 5 months in the case of functional use, Approx. 18 months in the case of power-saving state Driving system quartz (solar-powered) Display method Analog