Casio F91WS-4 Case / bezel material: Resin Resin 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 Hourly time signal 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 Case diameter:30mm All Casio Watches I sell are procured directly from the manufacturer in original Casio packaging and comes with the full USA manufacturer's 1-Year Warranty.Duties/Customs/TaxesThe seller is not responsible for any duties/customs charges/taxes levied by any foreign country-this is the buyer's responsibility as a resident of said foreign country. If there are any special instructions the buyer requests on the customs forms for their shipment, it must be requested via a note to the seller on the PAYPAL payment at time of purchase. We will attempt to accommodate your requests within legal means.