Casio Edifice Smartphone Link World Time Quartz ECB 10PB 1A ECB10PB 1A 100M Men's Watch Case 10.9mm a chronograph dial Chronograph functionality with three a chronograph dial Features: Case Bezel Material: Resin Resin Strap Mineral Crystal Analog Digital Display Shock Resistant Neobrite LED Light Afterglow World Time 29 Time Zones (48 cities + UTC) 1 100 Second Stopwatch Countdown Timer 5 Daily Alarms (4 One Time Alarms And 1 Snooze Alarm) Hourly Time Signal Full Auto Calendar (To Year 2099) 12 24 Hour Format Button Operation Tone On Off Regular Timekeeping Accuracy: ±30 Seconds Per Month Day And Date Display Solid Case Back Buckle Clasp 100M Water Resistance Approximate Size Of Case: 46 Features: Stainless Steel Case Resin Strap Quartz Movement Mineral Crystal Black Dial Analog Digital Display Double LED Light Mobile Link World Time 1 1000 Second Stopwatch Countdown Timer 5 Daily Alarms Full Auto Calendar 12 24 Hours Display Luminous Hands And Markers Day And Date Display Scewred Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 51mm Approximate Case Thickness: 12mm