Casio - A159WGEA-1DF Specifications Size of case : 36.8×33.2×8.2mm Case / bezel: Gold tone Case / bezel material: Resin Adjustable Clasp Stainless Steel Band Resin Glass Water Resistant LED light 1/100-second stopwatch Measuring capacity: 59'59.99" Measuring modes: Net time, split time, 1st-2nd place times Daily alarm Auto-calendar (set at 28 days for February) 12/24-hour format Regular time keeping: Hour, minute, second, pm, date, day Accuracy: ±30 seconds per month Approx. battery life: 7 years on CR2016