Features:Case/Bezel material: Resin/Stainless SteelResin StrapTough SolarMineral CrystalBlack DialAnalog DisplayShock ResistantSmartphone Link Functions (Wireless Linking Using Bluetooth®)NeobriteLED Light AfterglowDual Time1-Second StopwatchDaily AlarmAM/PM DisplayCountdown TimerRegular TimekeepingFull Auto-Calendar (To Year 2099)Accuracy: ±15 Seconds Per MonthDay and Date DisplaySolid Case BackBuckle Clasp200M Water ResistanceApproximate Size Of Case: 58.1 x 53.8 x 14.1mm