Alpina Men's Black Watch - AL-525LBN4V6.  The Alpina Seastrong Diver 300 watch features an automatic movement contained within a 44mm stainless steel case with a rotating bezel.  The matte Black Dial has a dare window and is protected by a scratch resistant Sapphire Crystal.   The black rubber strap has a tang buckle.  Water Resistant to 300 meters.