Seiko SKX031 also known as Seiko “Submariner” for sale . 7S26-0050 . 40mm . Crown at 3’o clock unlike the 4’o clock crown in SKX007 . 2008 Production date according to the serial . 7s26B automatic movement. Super accurate timing and excellent power reserve. Super bright lume. Original oyster style seiko bracelet . Watch is in superb condition.