Grand Seiko Heritage "Katana" Spring Drive – SBGA489
Grand Seiko Heritage "Katana" Spring Drive – SBGA489
Grand Seiko Heritage "Katana" Spring Drive – SBGA489

Grand Seiko Heritage "Katana" Spring Drive – SBGA489

SKU: 001-545-10852

Regular price $5,600.00

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The SBGA489 Grand Seiko watch pays homage to the revered Japanese katana sword, an emblem of centuries-old steelwork mastery. Its dial pattern draws inspiration from tamahagane, particularly the striking kawagane variation, reflected in the captivating black dial. The 40mm stainless steel case, based on the iconic 44GS form, has been reinterpreted to align with contemporary tastes. Crafted with meticulous precision through the Zaratsu finishing technique, it boasts flat, mirror-polished surfaces, showcasing Grand Seiko's dedication to excellence.

Powering the SBGA489 is the Spring Drive caliber 9R65, a fusion of mechanical robustness and high-precision regulation. Its remarkable accuracy of one second per day is a testament to its exceptional engineering. The smooth, gliding motion of the second hand is a hallmark trait of Spring Drive. This timepiece seamlessly marries tradition with modernity, capturing the essence of Japanese heritage while embracing cutting-edge technology. The SBGA489 is poised to be a cherished treasure for connoisseurs of horology, embodying a profound cultural legacy within its finely-crafted contours.
Band Bracelet
Band Material Stainless Steel
Caliber 9R65
Case Material Stainless Steel
Case Size 40mm
Case Thickness 12.5mm
Caseback Display
Clasp Folding
Collection Heritage
Crystal Sapphire Crystal
Dial Gray
Function Date - Power Reserve
Gender Men's
Lug Width 19mm
Lug-to-Lug 46.2mm
Movement Spring Drive
Power Reserve 72 Hours
Water Resistance 100m


Little Treasury Jewelers is the watch and jewelry store destination for the greater Baltimore-Annapolis area. Providing a piece for all of life’s occasions, offering a collection of wedding and engagement jewelry, fine timepieces, children’s jewelry, and gifts. With a selection of fine watches unequaled in the area, international jewelry designers, and a repair facility on the premise, Little Treasury is truly a “hidden gem” in Maryland.