Casio G Shock Step Tracker GBA 800DG 1A GBA800DG 1A Quartz Mobile link Men's Watch orient mens D Mineral Crystal Silver Dial Its precision quartz movement D Mineral Crystal Silver Dial Analog Display Date Display Solid Case Back Buckle Clasp 50M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 9mm Regular Price: $304 99 Measuring unit: 1 100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring mode: Elapsed time Auto Calendar (pre programmed until the year 2039) 12 24 Hour Formats Accuracy + 15 seconds per month Battery CR2016 Approx Features: Resin Case Resin Strap Quartz Movement Mineral Crystal Black Dial Analog Digital Display Neobrite Double LED light Mobile link Dual Time 1 100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Auto Calendar 12 24 Hours Display Regular Timekeeping Accuracy: ±15 Seconds Per Month Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 49mm Approximate Case Thickness: 15mm