Seiko Black Dial Tachymeter Stainless Steel Mens Watch SSA005 Imported Seiko 24 Jewels Self-Winding Automatic Movement with Hackable Second Hand (Calibre 4R36) Stainless Steel Case and Band, Push Button Release Clasp Hardlex Mineral Crystal, 24 Hour Sub Dial, Flight Calculations Bezel, Luminous Hands and Markers, Case Size: 44.5mm Diameter, 14mm Thickness Water Resistant - 100M, Transparent Screw Down Case Back