Seiko Essentials Collection SSB321 5 mm a curved sapphire crystal with

a curved sapphire crystal with anti-reflective coating on the inner surface

Framed by a blue bezel with rose gold accents

1970 Heritage Diver's Black Series Limited Edition

Framed by a black and dark gray 24-hour GMT bezel

and LumiBrite hands and markers

Seiko Essentials Collection SSB321 5 mm a curved sapphire crystal withFrom the Mens Essential Collection. A perfect blend of precision and design, this rugged quartz chronograph is crafted of stainless steel, with secure screwdown caseback and blue ion finish tachymeter bezel. The blue patterned dial, with yellow accents, features three subdials, a date calendar, and LumiBrite hands. Chronograph timing provides measurement of up to 12 hours of elapsed time in 1 5 second increments. 10 bar, 100M Water Resistant