Brand : Casio Collection : G-Shock Gender : Men #39;s Movement : Quartz Calibre : 3516 Accuracy : ±15 seconds per month (with no mobile link function) Case / bezel material : Bio-based resin DW-H5600MB-1, DW-H5600MB-2 : Stainless Steel, IP Coating DW-H5600EX-1 : Limited edition 40th Anniversary model with two bezel and band sets Case Shape : Rectangle Case size (L× W× H) : 51.1 × 44.5 × 17.4 mm Weight : 59g Resin bezel / 65g Stainless bezel Dial Type : Digital Dial Color : MIP LCD Band Material : Bio-based resin band Band Color : DW-H5600-1, DW-H5600MB-1 : Black DW-H5600-2, DW-H5600MB-2 : Blue DW-H5600EX-1 : Limited edition 40th Anniversary model with two bezel and band sets. Water Resistance : 200-meter Glass : Mineral Battery (Lifespan) : Lithium Ion Rechargeable (Wired USB Type-A and Solar-Assisted Charging) Features : Training Function, Heart Rate Monitor, Step Counter, Bluetooth Mobile Link, World Time, Stopwatch, Countdown Timer, LED Backlight, Perpetual Calendar, Sunrise/Sunset Time, Moon Data, Chronograph, Alarm / hourly time signal, Power Reserve Indicator, Hour, minute, second, am/pm, 12/24-hour format, month, date, day, Vibration, Wired and Solar Battery Charging.