Casio G Shock In The Sky Gravitymaster Mobile Link Analog Digital GR B200 1A GRB200 1 200M Men's Watch Yellow The nylon construction offers a Primary Colour:black 42mm The nylon construction offers a secure lug attachment suited to regular daily wear and easy interchangeability with compatible watch cases Features: Stainless Steel Case Stainless Steel Bracelet Mechanical Automatic Movement Mineral Crystal Black And Skeleton Window Dial Silver Tone Hands And Markers Pull Push Crown See Through Case Back Deployment Clasp 50M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 12mm Barometer Thermometer Step Counter World Time 1 100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Hand Shift Feature Full Auto Calendar 12 24 Hours Display Regular Timekeeping Luminous Hands And Markers Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 54mm Approximate Case Thickness: 18mm Approximate Lug Width: 32mm Features: Carbon Case Resin Strap Mineral Crystal Black Dial Analog Digital Display G SHOCK Connected App Neobrite Carbon Core Guard Structure Vibration Resistant Shock Resistant Double LED Light Mobile Link Digital Compass Altimeter