Spesifikasi Seiko Prospex SRP777K1 Turtle Black Silver Black Brand SEIKO TERBARU 2016 LIMITED STOCK Series Prospex Automatic Ref No SRP777 Gender Male Case Stainless steel Case Back Solid Hard Hardlex Crystal Glass Dial Color Black Silver Black Black Rubber Band Buckle Stainless Steel Water Resistant 20 ATM (200 Meters)/20 Bar/660 feets Automatic winding type with manual winding mechanism (No Need Battery Change) Cal.4R36 Diameter (without crown) 44.3 mm 31 Date Calender Power Reserve 41 Hours 21.600 vibrations perhours Lumibrite hand and markers Day Display Functions Rotating bezel, Screw down crown Warranty 1 year International warranty Weight in kg (after packing) 1000g