Seiko Presage

The Seiko Presage, reference SPB073J1, has a 40.6 mm steel case. This is a limited edition of 2500 pieces. The case is 14.1 mm thick, with a lug-to-lug measurement of 47.9 mm and a water-resistance rating of 100 metres. Self-winding calibre 6R27 contains 29 jewels and has a power reserve of approximately 45 hours. Over the dial is a dual-curved sapphire crystal with an anti-reflective coating on the inner surface. The dial has a date display; a see-through case back provides a view of the movement. Movement accuracy is plus 25 to minus 15 seconds per day. A crocodile leather strap fastens with a three-fold clasp with push-button release.