SEIKO SELECTION HFB003J mens wristwatch made Japan mechanical automatic (with manual winding) open heart.

The classic Seiko design mechanical model has been renewed. The open-heart dial clearly indicates its mechanical nature, making it a recommended starting model. The case has a moderate volume while achieving a sharp impression through varied finishing. The back features a skeleton design that reveals the movement. The dial utilizes a high-quality base with a radiant finish, incorporating a wide sloped area and a three-faceted cut with a rainbow effect. The band is easy to adjust, making it suitable for gifts. Starting September 7, 2026, the manufacturer's suggested retail price will be revised. Please understand that there may be products with tags displaying the old price mixed in after the price revision. Includes individual packaging and global warranty certificate. Mechanical self-winding (with manual winding) Approximately 41 hours of power reserve at maximum winding Daily accuracy of +45 seconds to -35 seconds Enhanced water resistance for daily life (10 atmospheres)