Available in black, silver, red, and blue. Durable stainless steel with genuine leather strap. Sapphire crystal. Screw-down crown and caseback. Seiko NH38 automatic movement. Open Heartbeat exposed balance wheel at 9 o-clock position. 200m Water resistance. 43mm Case width. 48.5mm Lug to lug. 22mm Lug width. 12.5mm Case thickness.