*Japan movement
*Stainless steel case and case back
*Stainless steel bracelet
*Buckle: 1 touch, 3-fold clasp
*Anti-reverse rotary stainless steel sport bezel
*HARDLEX mineral glass
*Regular timekeeping: Analog 3 hands: Hour, minute, second
*2 functioning sub-dials for: Date indicator, timekeeping 24-hours
*Luminous color tone hands and hour markers for easy reading
*Screw lock case back
*Water Resistant: 100M
*Approx battery life: 3 years on SR621SW
*Case diameter without crown: 49.9(L) X 44.6(W) X 11(T) mm
Read more at http://www.mudah.my/CASIO+Men+Multifunction+Sport+Watch+MTD+1077D+1A2V-29455763.htm#p5BgudVuRWBVSE2I.99