Seiko Prospex is a rugged tool-watch line launched in 2014, known for dive watches like the Turtle and Samurai, offering 200m+ water resistance and excellent value.
Seiko Presage is a dressy automatic watch line launched in 2016, known for enamel and Arita porcelain dials, Japanese craftsmanship, and refined elegance at accessible prices.
Seiko 5 Sports is an affordable, durable line of automatic watches with 100m water resistance, day-date displays, and versatile styling, popular as an entry point for collectors.