Brand: Seiko Solar Prospex Case Material: Stainless Steel Glass Material: Hardlex Band Material: Silion Case Size: 43.5mm Case Thickness: 13.8mm Caliber: V175 Solar power LumiBrite: On Hands and Indexes Water Resitance: 20ATM/200M/660ft Feature: 24-hour hand Chronograph up to 60 minutes in 1/5 second increments Overcharge prevention function Screw case back Screw-down crown Three-fold clasp with secure lock Unidirectional rotating bezel