Casio watches have been established as the industry leader in tough watches for tougher situations. The Casio G-Shock collection has no rivals in ruggedness and features. US Coast Guard approved Casio Pathfinder accompanies these heroes in the harshest seas and highest waves. Casio unrelenting quest to be the go-to tool in any situation is reinforced by the Casio Executive collection which is just as comfortable in the boardroom as on the battlefield. Taking technology as their guide incorporating barometers and compasses, solar and atomic technology, there is simply nothing that says quality and reliability like Casio. An evolution in the popular G-Shock series. White plastic resin case measures 52mm wide by 16mm thick. Sturdy strap includes a secure buckle. Black digital dial with full auto EL backlight and Afterglow. Shock resistant and water resistant to 200m. World Time. 31 times zones (48 cities + UTC), city code display, daylight saving on/off. 4 Daily alarms and 1 Snooze Alarm. Hourly time signal. 24h chronograph measures in 1/100sec increments. Measures elapsed time, split time, and 1st-2nd place times. 24h countdown timer counts in as small as 1sec increments. Full auto-calendar (pre-programmed until the year 2099). 12/24 hour formats. Button operation tone on/off. Tough Solar Quartz movement, powered by any available light. accurate to +/- 15 seconds per month. Battery power indicator and power saving functions available.