Brand : Casio Model No : CA-506-1DF Series : Standard Gender : pria Garansi produk : Garansi Machtwatch 1 Tahun Case diameter : 43 mm Case thickness : 12 mm Water resistant : 30 Meters/3 ATM/3 BAR Case material : Stainless Steel Case back : Screw case back Glass material : Mineral crystal Strap material : Stainless Steel Calendar : Perpetual Calendar Luminious / LumiBrite : No Movement :Quartz Movement Weight :34g Accuracy at normal temperature : - 15 seconds a month Time system :Changeover between 12/24 hour formats Calendar system :Auto-calendar pre-programmed to the year 2079 Abilities :Four basic calculations, chain & mixed operations, constants for / - / x / , power calculation Decimal point :Full floating with underflow Overflow check :Indicated by the :E: sign, locking the calculator mode Measuring capacity :23 hours, 59 minutes, 59.99 seconds Measuring unit :1/100th of a second Measuring modes :Normal time, net time, lap time and 1st-2nd place times Battery :One lithium battery (Quartz Movement Type: CR-2016) Approximately :Approx. 5 years of operation on type CR-2016 (Includes the alarm for 20 seconds and calculation for 1 hour per day) Others :Regular timekeeping , Hour, minute, second, am/pm, year, month, date and day... on its double display , Calculator mode , 8 digits (7 digits for negatives) , Stopwatch mode , Dual time mode , Daily alarm mode , Hourly time signals Weight after packing :approx. 500g