The deep blue explorer features a dial that moves from deep blue to ink black/blue top to bottom. Stainless steel case, glass display back, sapphire glass, screw down crown, 39mm diameter, 47mm lug to lug, 20mm lug width. Matching silver accented arrowhead hands with lume and red tipped sweep seconds hand. Genuine Seiko NH35A movement, well regulated with time and date. Black FKM rubber strap with stainless steel buckle.