Caliber No.F990 MovementEco-Drive Signal ReceptionGPS Satellite Wave StrapPolyurethane Strap Water ResistantWater Resistant to 5 bar Weight103g Thickness18.3mm Case Size 48.5mm CaseTitanium Surface ProcessingDuratect DLC (Diamond Like Carbon) GlassSapphire Glass (Non Reflection Coating) Warranty3 years warranty Specification Date and Day Display Alarm Chronograph Dual Time Super TitaniumTM Duratect DLC (Diamond Like Carbon) Eco-Drive (recharged by any light source, no need to change battery) Satellite Timekeeping System (Reception Area: Worldwide) Non Reception: ±5 Sec / Month Insufficient Charge Warning Function Made In Japan Overcharge Prevention Function Perpetual Calendar Light Level Indicator Power Reserve Level Indicator World Time in 39 Time Zones Summer Time (ON/OFF) UTC (Universal Time Coordinated) GPS (Location Information Obtainment Function) 100th Anniversary Model Worldwide Limited 1,500pcs