Seiko Presage

The Seiko Presage, reference SARF013, is a GMT watch with a 40 mm case. The watch has a power reserve indicator. The case is 14.6 mm thick, with a lug-to-lug measurement of 47.8 mm and a water-resistance rating of 100 metres. Self-winding calibre 6R64 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 display back reveals the movement. Movement accuracy is plus 25 to minus 15 seconds per day. A crocodile leather strap closes with a three-fold clasp with push-button release.