Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGW321, has a steel case measuring 36.5 mm in diameter and is a limited edition of 300 pieces. The lug-to-lug measurement is 42.7 mm, and case thickness is 11.6 mm; water resistance is rated to 100 metres. Manual-winding calibre 9S64 has 24 jewels and approximately 72 hours of power reserve. Above the dial is a box-shaped sapphire crystal, with anti-reflective coating on its inner surface. The watch has a crocodile leather strap; the lug width is 18 mm. The red dial's radial spiral pattern evokes carp scales in sunlight.