Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series, reference SRE003, has a steel case measuring 28 mm across. The case has a thickness of 11.2 mm, with a lug-to-lug measurement of 33.1 mm and a water-resistance rating of 100 metres. The movement is self-winding calibre 2R06, which contains 21 jewels and has a power reserve of approximately 40 hours. Over the dial is a Hardlex crystal. Magnetic resistance is 4,800 A/m. The case has a lug width of 14 mm. The hands and indices carry LumiBrite.