Black Onyx 925 Sterling Silver Ring R1000471 5 Ring Size:7.5 this watch seamlessly combines luxury this watch seamlessly combines luxury 1st 2nd place times Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1 minute increments and 1 hour increments) Other: Auto repeat Alarm hourly time signal Hourly time signal 5 multi function alarms (with 1 snooze alarm) Light LED backlight Afterglow Calendar Full auto calendar (to year 2099) Indian Product Code D386 Country of origin China Net Quantity 1 piece Compatible band size 145 to 215mm Light color LED:Amber Other features 12 24 hour format Regular timekeeping: Hour This ring is crafted in 925 Sterling Silver and set with Black Onyx Measurement: Length 20 mm X Width 20 mm