Features:Resin CaseResin StrapQuartz MovementMineral CrystalMulticolor DialAnalog Digital DisplayWorld TimeShock ResistantNeobriteLED Light AfterglowButton Operation Tone On/Off1/100 Second StopwatchCountdown Timer5 Daily AlarmsHourly Time SignalRegular TimekeepingFull Auto Calendar12/24 Hours DisplayDay And Date DisplayScrewed Case BackBuckle Clasp100M Water ResistanceApproximate Case Size (L × W × H): 46.3 x 43.4 x 15.8 mmApproximate Case Diameter: 43.40 mmApproximate Case Thickness: 15.80 mmApproximate Lug Width: 14.00 mm