Calibre No.F150 Maximum run time from full charge (Normal Use Condition)Approximately 2 years MovementEco-Drive Signal ReceptionGPS Satellite Wave StrapCalf Leather Strap Water ResistantWater Resistant to 20 bar Weight106g Thickness14.3mm Case Size 44.3mm CaseStainless Steel Surface ProcessingDuratect DLC GlassSapphire Glass (Non Reflection Coating) Warranty3 years warranty Specification Date and Day Display Eco-Drive (recharged by any light source, no need for regular battery replacement) Satellite Timekeeping System (Reception Area: Worldwide) Non Reception: ±5 Sec / Month Light Level Indicator Insufficient Charge Warning Function Overcharge Prevention Function Perpetual Calendar Duratect DLC (Diamond Like Carbon) Power Reserve Level Indicator World Time in 40 Time Zones Summer Time (ON/OFF) Sapphire Glass (Non Reflection Coating) GPS (Location Information Obtainment Function)