Grand Seiko Sport Watch, 44.2mm Black Dial, SBGA461The Spring Drive 200m Divers watch has always been appreciated for its precision and robustness. Now, its legibility at depth is further enhanced by the inclusion of Lumibrite indexes at all twelve hour marks, including the one at three oclock to the right of the calendar frame. To ensure that the time can be read easily and without error at a glance, there are 60 distinct markings as well as five numerals on the bezel. Each hand is different in