Grand Seiko

Katana SBGA493

Reference Number :

SBGA493

Series : Heritage

Retail: $6,000

(As of: 01/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Grand Seiko. If you are interested in selling this watch to us, you can contact us here.

Quick TakeThe Grand Seiko SBGA493 is not just a watch, it is wearable art, a tribute to the legendary katana. It embodies the soul of the samurai sword. With a dial that's a nod to the fiery forge where tamagahane steel takes shape, this timepiece is a conversation starter. The Spring Drive movement, a marvel of horological engineering, glides with a grace that mirrors the blade's deadly precision. Forget ticking – this is a smooth operator, accurate to a whisper and ready to run for three days on a full wind. Peek through the exhibition caseback and it's like peering into the heart of a mechanical samurai, disciplined and poised. It's more than a mere time-telling instrument; it is a symbol, a statement, and a companion for those who appreciate precision and tradition. The piece resonates with an aura of exclusivity, it beckons the discerning wearer who values not just the passage of time but the craftsmanship and history it encapsulates.

DescriptionThe Grand Seiko Heritage Collection's SBGA493 is a meticulously crafted timepiece that draws inspiration from the traditional Japanese katana. This limited edition model, with only 500 pieces available, features a stainless steel exterior. The watch case measures 40.0mm in diameter, with a lug-to-lug length of 46.2mm and a thickness of 12.5mm. It's equipped with a see-through and screw case back, showcasing the intricate movement within. The dual-curved sapphire crystal is treated with an anti-reflective coating on the inner surface, enhancing readability. A three-fold clasp with a push-button release ensures a secure and comfortable fit for the 19mm wide band. The watch offers water resistance up to 10 bar, making it suitable for everyday wear and even swimming. It also boasts a magnetic resistance of 4,800 A/m, protecting the movement from the effects of magnetic fields. Special markings include "LIMITED EDITION" and a unique serial number engraved on the case back.

This timepiece is powered by Grand Seiko's innovative Spring Drive movement, specifically the Caliber 9R65. This movement type delivers a remarkable power reserve of approximately 72 hours (3 days) and maintains an exceptional accuracy of ±15 seconds per month, which translates to ±1 second per day. The watch includes a power reserve indicator, a critical feature for Spring Drive movements. Additional features include a screw-down crown and the use of 30 jewels within the movement to reduce friction and enhance longevity. The SBGA493's design pays homage to the katana's creation process, incorporating elements that reflect the earth, fire, water, and air involved in its forging. The dial design reflects the materials and craftsmanship associated with the katana. The dial color and texture take design cues from the high-carbon steel (kawagane) used for the katana's outer edge, and the strong inner core (shingane) that provides the blade its renowned strength.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size40 mm

MovementAutomatic

Caliber9R65

FunctionsHours, Minutes, Seconds, Date, Power Reserve

Power Reserve72 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal