Case diameter : 47 mm Round stainless steel watch featuring light-powered eco-drive with dual-time functions and date window at four o’clock position Eco-Drive E820 movement with analog display Protective mineral crystal dial window Features 1/20-second chronograph, screw-back case, alarm, rotating inner dial ring, perpetual calendar, and fold-over clasp with hidden double push-button closure on link bracelet Water-resistant to 100 m (330 ft): suitable for snorkeling, as well as swimming, but not diving.Bracelet Length: 8.5 inches