Features:Resin CaseResin StrapQuartz MovementCaliber: 3523Mineral CrystalViolet DialDigital DisplayShock ResistantApprox. Battery Life: 3 Years On Cr16161/100-Second StopwatchCountdown TimerMulti-Function AlarmHourly Time SignalFlash AlertLed BacklightFull Auto-Calendar12/24 Hours DisplayMonth, Day And Date DisplayScrewed Case BackBuckle Clasp100m Water ResistanceApproximate Case Diameter: 37.9mmApproximate Case Thickness: 11.3mmApproximate Lug Width: 13mm