Grand Seiko Launches Two U.S.-Exclusive Limited Editions: SBGA509 and SBGA507

Grand Seiko has introduced two limited-edition models exclusive to the U.S. market: the SBGA509 and SBGA507, each featuring intricately crafted dials that pay homage to the art of Japanese wood carvings. We had the opportunity to experience these watches firsthand, and the dial work is, as expected, exceptional. Grand Seiko has long emphasised dial artistry, and these models continue that legacy, captivating collectors and watch enthusiasts alike.

A Platform with a Twist

While these new models are based on the familiar 44GS titanium case and powered by the Spring Drive calibre 9R65, it’s the dials that make them stand out. These creations draw inspiration from kirazuri ukiyo-e woodblock prints, which often incorporated mica dust for a sparkling effect. Grand Seiko replicates this shimmering quality through sophisticated techniques, resulting in dials that offer depth and unique texture.

Design Details and Craftsmanship

The SBGA509 and SBGA507 dials begin with a brass plate stamped with a fine “linen” pattern, reminiscent of woodblock printing. The stamped plate undergoes electroplating, layering the surface with metallic tones, followed by the application of ultra-thin lacquers to achieve the final colours. A clear coat completes the process, adding depth and creating a flat surface for the printed markers, the gold GS logo, and the hardware.

The resulting dials are unique and distinctive. The SBGA509 features a refined rose pink, a shade that Grand Seiko has successfully rendered as both contemporary and unisex. The SBGA507, in a striking blue, offers versatility while maintaining the intricate textured effect of the pattern. At a distance, the design appears as subtle texture, but under magnification, it reveals a fascinating complexity.

The Innovative Spring Drive Calibre 9R65

These models are powered by Grand Seiko’s signature Spring Drive technology, which combines mechanical and electronic elements to achieve remarkable precision. Powered by a mainspring, the movement generates electrical energy that drives a quartz oscillator, ensuring accuracy to within one second per day. Alongside its precision, the calibre 9R65 offers an impressive 72-hour power reserve, blending high performance with reliability.

Specifications and Availability

  • Reference: SBGA509 (rose pink) and SBGA507 (blue)
  • Case: Stainless steel
  • Bracelet: Stainless steel
  • Movement: Spring Drive Calibre 9R65 (Automatic, ±1 second per day accuracy, 72-hour power reserve)
  • Dial: Textured “linen” pattern inspired by Japanese woodblock prints
  • Availability: Limited to 300 pieces per model, U.S. only
  • Price: £4,400 (approx. $5,600 USD)

Final Thoughts

These limited-edition models represent Grand Seiko’s dedication to Japanese artistry and craftsmanship, bringing traditional techniques to a modern audience with subtlety and finesse. Each watch is a statement piece with refined textures, thoughtful colours, and Grand Seiko’s distinctive Spring Drive precision—ideal for collectors who appreciate both functionality and aesthetic nuance.

For further information, visit www.grand-seiko.com.


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