Invicta Hydromax 29583 Quartz 200M Men's Watch watches Step Count Graph Step Reminder Primary Colour:dark brown 38mm Step Count Graph Step Reminder 30 Lap Data Records For Last Session Super Illuminator Double LED Light Dual Time (Home Time Swapping) 1 100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Hand Shift Feature Full Auto Calendar (To Year 2099) 12 24 Hour Format Button Operation Tone On Off Regular Timekeeping Accuracy: ±15 Seconds Per Month Day And Date Display Solid Case Back Buckle Clasp 100M Water Resistance Approximate Size Of Case: 45 The black leather construction offers a secure lug attachment suited to regular daily wear and easy interchangeability with compatible watch cases Features: Stainless Steel Case Silicone Strap Quartz Movement Caliber: 515 Sapphire Crystal Black Dial Analog Display Luminous Hands And Markers Date Display Uni Directional Rotating Bezel Screw Down Crown Solid Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 48mm Approximate Case Thickness: 16mm