Seiko Prospex

The Seiko Prospex, reference SBEN005, has a 39.5 mm steel case. This is a limited edition of 1000 pieces. The case is 12.3 mm thick, with a lug-to-lug measurement of 47.2 mm. Self-winding calibre 6L37 contains 26 jewels and has a power reserve of approximately 45 hours. The dial is covered by a box-shaped sapphire crystal with an anti-reflective coating on the inner surface. The watch has a folding clasp with push-button release and an extender. LumiBrite appears on the hands and indices; movement accuracy is plus 15 to minus 10 seconds per day; a screw-down crown is part of the case. The movement is visible through a display back.