Casio Analog Digital Telememo Illuminator AW 81D 7AVDF AW81D 7AVDF Men's Watch Casio Masc Features: Resin Case Resin Strap With 10 ATM 100 Features: Resin Case Resin Strap Quartz Movement Mineral Crystal Digital Display Shock Resistant 1 100 Second Stopwatch Countdown Timer Multi Function Alarm Full Auto Calendar Day And Date Display 12 24 Hours Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 48mm Approximate Case Thickness: 13mm Features: Made In Japan Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 6R27 Sapphire Crystal Black Dial Silver Tone Hands Arabic Numeral Power Reserve Indicator See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 40 Features: Case Bezel Material: Resin Stainless Steel Band Quartz Movement Resin Glass Spherical Glass Dual Time LED Light Afterglow Telememo(Up to 30 sets of Data) World Time(29 Time Zones) Daily Alarms Hourly Time Signal Full Auto Calendar(To Year 2099) Stopwatch Function Countdown Timer Regular Timekeeping Accuracy: ±30 Seconds Per Month 50M Water Resistance Approximate Size of Case: 46