The SEIKO 5 Sports Collection is inspired by the "trench" watch, these vintage military pieces were once worn in the field. Created to be robust, reliable and designed with all the characteristics known from the Seiko 5 Sports line, the SRPJ81 has manual wind capacity with hack function for precision setting. The automatic 36.4mm brushed and polished stainless steel case has a black satin dial behind a curved hardlex crystal. Equipped with Arabic numerals and both 12 and 24-hour military time surrounded by a minute track on outer dial. Luminous markers and sword style hands with double day/date window @3 are easily legibility at a glance. Fitted with a push-pull easy grip crown with 100 meter water resistance capacity. Powered by Seiko's own in-house-made automatic caliber 4R36 movement viewable behind the exhibition case-back with 41 hour power reserve. Finished with a polished and brushed stainless steel 3-link bracelet with twin push-button deployment butterfly clasp to keep your watch secure and in place. 

The Seiko 5 Sports Collection is known for its quality, long lasting durability, value and reliable performance which stands the test of time for over fifty years has come to be appreciated by all watch lovers.