Casio is multinational electronics manufacturing company headquartered in Shibuya‎,‎Tokyo‎,‎Japan‎.‎ Its products include Watches ‎,‎calculators‎,‎ mobile phones‎,‎cameras and musical instruments‎.‎

• Shock Resistant
• 200 Meter Water Resistant
• EL Backlight with Afterglow
• Daily Alarm
• Countdown Timer
• Input range‎:‎ 1 minute to 24 hours 
• Measuring unit‎:‎ 1 second 
• Auto‎-repeat function
• 1/100 second stopwatch 
• Measuring capacity‎:‎ 23‎:‎59‎'‎59.99‎"‎ 
• Measuring unit‎:‎ 1/100 second ‎(‎for the first 60 minutes‎)‎
• 1 second ‎(‎after 60 minutes‎)‎
• Measuring mode‎:‎ elapsed time‎,‎ split time‎,‎ 1st‎-2nd place times
• Hourly Time Signal
• Auto Calendar ‎(‎pre‎-programmed until the year 2039‎)‎
• 12/24 Hour Formats
• Accuracy‎:‎ 15 seconds per month
• Battery‎:‎ 2 years on CR2016
• Module 1659