Stainless steel case with a black leather strap. Fixed stainless steel bezel. Silver dial with luminous nsilver-tone hands and index hour markers. Arabic numeral minute markers at the 15, 30 and 45 minute positions. Minute markers. Dial Type: Analog. Luminescent hands and markers. Date display between the 3 and 4 o'clock positions. Alpina calibre AL-525 automatic movement with a 38-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case size: 42 mm. Case thickness: 12.30 mm. Round case shape. Band width: 21 mm. Tang clasp. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second. Additional Info: internal 60 minute turning diving ring. Luxury watch style. Watch label: Swiss Made. Alpina Seastrong Diver Heritage Automatic Mens Watch 525S4H6.