Caliber No.F158Maximum run time from a full charge (Normal Use Condition)Approximately 2 yearsMovementEco-DriveSignal ReceptionSatellite Wave GPSStrapSynthetic Rubber StrapWater-ResistantWater Resistant to 200mThickness15.6mmCase Size47mmCaseSuper Titanium™Surface ProcessingDuratec MRKGlassSapphire GlassWarranty3 yearsSpecificationDate and Day DisplayDive ModeDuratecEco-Drive (recharged by any light source, no need to change battery)GPS (Location Information Obtainment Function)Insufficient Charge Warning FunctionLight Level IndicatorMade In JapanNon Reception: ±5 Sec / MonthOvercharge Prevention FunctionPerpetual CalendarPower Reserve Level IndicatorSatellite Timekeeping System (Reception Area: Worldwide)Summer Time (ON/OFF)Super Titanium™With Extension Strap BandWorld Time in 38 Time Zones