Seiko Essentials Collection SSB397 24 jewels blue uni-directional rotating elapsed timing

blue uni-directional rotating elapsed timing bezel and tri-fold push button release clasp with secure lock and extender

Framed by a black tachymeter ring

this exceptional Special Edition is one of a trio celebrating some of the most demanding diving locations in America and those who dare to explore them

with an exceptional power reserve of approximately 72 hours

Seiko Essentials Collection SSB397 24 jewels blue uni-directional rotating elapsed timingFrom the Essentials Collection. Inspired by racing, this rugged chronograph combines functionality and fashion for perfect sport or everyday wear. Framed by a black tachymeter outer ring, the dimensional embossed black dial features applied metallic elements and gray accents. Designed to resemble an engine compartment, the dial also offers three subdials, including a 24 hour indicator, a date calendar, and LumiBrite hands and markers. Chronograph