Stainless steel case with a black rubber strap. Fixed blue ion-plated with tachymeter bezel. Black dial with luminous hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock positions. Chronograph – three sub-dials displaying: 60 second, 60 minute and 12 hour (alarm). Quartz movement. Scratch resistant sapphire crystal. Solid case back. Case diameter: 46 mm. Round case shape. Band width: 20 mm. Water resistant at 100 meters / 330 feet. Casual watch style. Seiko Sportura Chornograph Black Dial Black Rubber Mens Watch SNAF37.