Fitness watch basic functions world clock stop watch countdown timer alarm snooze function calendar series casio g shock water resistant to 200m 20 atm suitable for men sailing functions yachting timer display feature 1224 hour format display digital clock mechanism quartz case material resin watch strap resin clasp pin buckle housing design round case size 532 x 50 mm case height 177 mm weight 67 g watch glass mineral glass dial colour