Seiko Men's 5' Japanese Automatic Gold-Tone-Stainless-Steel Casual Watch, Color:Gold (Model: SNK644) Precise 21-jewel Japanese-automatic movement; functions without a battery; powers automatically with the movement of your arm Durable mineral hardlex crystal; brushed and polished gold-tone stainless steel case and bracelet Day function in english and spanish; date function Black textured dial with gold-tone hands and hour markers; luminous; exhibition case back Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion