Casio Vintage CA53W-1 Size:OS battery life: 5 years on

battery life: 5 years on CR2016

elastic side accents

The Sentry is an elegant timepiece with an adventurous side

The iconic American frame design is accented by metal rivets and Oakley icons

Casio Vintage CA53W-1 Size:OS battery life: 5 years onCase bezel material: Resin Resin Band Water Resistant Dual time 8 digit calculator 1 100 second stopwatch Measuring capacity: 23: 59'59. 99'' Measuring modes: Elapsed time, split time, 1st 2nd place times Daily alarm Hourly time signal Full auto calendar (to year 2099) 12 24 hour format Regular timekeeping: Hour, minute, second, am pm, year, month, date, day Accuracy: 15 seconds per month Approx. battery life: 5 years on CR2016