Grand Seiko Sport

The Grand Seiko Sport, reference SBGE255, is a Spring Drive GMT watch with a 40.5 mm steel case. The 14.7 mm case thickness accompanies a lug-to-lug measurement of 48.7 mm; water resistance is rated to 200 metres. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating. The clasp is a folding clasp with push button release. This model has a date display and a power reserve indicator. The watch has a zirconia ceramic bezel and LumiBrite on the hands and indices. Spring Drive calibre 9R66 has 30 jewels and approximately 72 hours of power reserve.