Band Material: Solid Titanium Band Length: 150–220mm/27.0mm Case Size: 56.0 × 49.7 × 18.6mm Weight: 170g Shock-Resistant Structure Magnetic-Resistant Watch (JIS Class 1) Tough Solar (Solar Charging System) ISO Standard 200m Diving Water Resistance Radio Wave Reception: Automatic Reception (Up to 6 times/day) (Up to 5 times/day for China) / Manual Reception, Reception Waves: JJY, Frequency: 40kHz/60kHz (Compatible with Fukushima/Kyushu stations) Reception signal: WWVB, Frequency: 60kHz Reception signal: MSF/DCF77, Frequency: 60kHz/77.5kHz Reception signal: BPC, Frequency: 68.5kHz*When the home time setting is set to a time zone where reception is possible, the watch will receive the signal from the station corresponding to that time zone. Mobile Link Function (Automatic Connection, function linkage via Bluetooth® communication with compatible mobile phones) Automatic Hand Position Correction Hand Retraction Function (When the hour and minute hands overlap with the sub-dial and are difficult to see, they can be temporarily retracted from above the sub-dial) Dual Time (27 time zones, with automatic daylight saving time setting, and home time swap function) Diving Function: Dive time measurement (up to 2 hours, measured in 1-second increments), Surface interval display (up to 24 hours), Dive log acquisition (up to 30 dives) Tide graph Stopwatch (1-second, 24-hour timer) Timer (Set unit: 1 minute, Maximum set: 24 hours, measured in 1-second increments) Alarm Power saving function(In dark environments, the hands stop moving after a set period to conserve power) Date and day of the week display Full auto calendar LED light (Super Illuminator with afterglow function) Operating time from full charge without solar power: Approx. 5 months / In power saving mode: Approx. 29 months.