Calibre No.E210 Maximum run time from full charge (Normal Use Condition)Approximately 8 months MovementEco-Drive Signal ReceptionWithout Radio Reception Function StrapCalf Leather Strap Water ResistantWater Resistant to 20 bar Weight138g Thickness15.3mm Case Size 44.5mm CaseStainless Steel Surface ProcessingIP Black (Bezel) & Gold Plating GlassSapphire Glass Warranty3 years warranty Specification Worldwide Limited 3000pcs Serial number are stamped on the case back Date Display Eco-Drive (recharged by any light source, no need for regular battery replacement) Insufficient Charge Warning Function Overcharge Prevention Function Power Reserve Level Indication Alarm Chronograph