Seiko Prospex

The Seiko Prospex, reference SBEN001, has a 36.6 mm steel case. This is a limited edition of 1959 pieces. The case is 11.1 mm thick, with a lug-to-lug measurement of 43.8 mm and a water-resistance rating of 100 metres. Self-winding calibre 6L35 contains 26 jewels and has a power reserve of approximately 45 hours. Over the dial is a box-shaped sapphire crystal with an anti-reflective coating on the inner surface. The dial has a date display; the hands and indices carry LumiBrite. Movement accuracy is plus 15 to minus 10 seconds per day; the watch has magnetic resistance. The watch has a calf leather strap.