Seiko Prospex

The Seiko Prospex, reference SBEC015, is a chronograph with a 42.5 mm steel case. This is a limited edition of 400 pieces. The case is 15.1 mm thick, with a lug-to-lug measurement of 50 mm and a water-resistance rating of 100 metres. Self-winding calibre 8R46 contains 34 jewels and has a power reserve of approximately 45 hours. The watch has a dual-curved sapphire crystal with an anti-reflective coating on the inner surface. Fastening is by a three-fold clasp with push-button release; the dial has LumiBrite on the hands and indices. A see-through case back provides a view of the movement. The display includes small seconds.