Seiko Prospex

The Seiko Prospex, reference SRPB59, has a 44.7 mm steel case. The case measures 13.3 mm thick, with a water-resistance rating of 100 metres. The movement is self-winding calibre 4R35, which contains 23 jewels and has a power reserve of approximately 41 hours. The dial is covered by a curved Hardlex crystal. The dial has a date display; the hands and indices carry LumiBrite. The movement is visible through the display back of the case. The case has a lug width of 22 mm. A leather strap is attached to the watch.