Regatta watch basic functions alarm snooze function stop watch countdown timer world clock series casio g shock water resistant to 200m 20 atm suitable for men sailing functions yachting timer display features led illumination 1224 hour format display digital clock mechanism quartz illuminated display case material resin watch strap resin clasp pin buckle housing design round numerals arabic case size 54 mm case height 20 mm weight 80 g