Seiko Revives Japan Blue: The Stunning Presage Classic “Ai-Iro” SPB525 & SPB527 Unveiled
Seiko has unveiled two new Presage Classic Series watches, SPB525 and SPB527, featuring deep indigo Ai-Iro dials and 40.2 mm stainless steel cases. The SPB525 offers a date display, while the SPB527 features an open-heart cutout and 24-hour sub-dial. Both use Seiko’s 6R automatic movements and are scheduled for release in October 2025.