Grand Seiko Heritage "Kiri" 36.5mm

$7,500.00

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  • A water resistance icon in the shape of a shield. On the shield is a drop of water and beside the water are two lines that looks like waves. 100M / 10 ATM
  • A watch case size icon that shows the head of the watch with an arrow on the dial giving an indication as to the diameter of the dial. 36mm
  • A watch movement icon display the inside gears of a mechanical watch. Manual winding
  • A power reserve icon that looks like a gauge that indicates how much power is left. 72 hours

In 1967, the 44GS introduced the design language that would define Grand Seiko’s aesthetic for decades. The SBGW323 offers a refined, modern interpretation of this legacy, pairing the iconic 44GS case with a mid-sized 36.5mm silhouette. Its dial features the classic Mt. Iwate pattern in a striking purple hue, inspired by the kiri, the official flower of Iwate Prefecture—home to the Grand Seiko Studio Shizukuishi. This elegant timepiece blends heritage, craftsmanship, and subtle beauty in a perfectly balanced form.
Grand Seiko Watch Warranty

The period of the Grand Seiko worldwide warranty is five years from the date of purchase.
Model Number
SBGW323G
Shipping & Returns

Free FEDEX overnight shipping on all Grand Seiko watches. Our return policy is 10 days for your money back, or 30 days to exchange.

Technical information about this watch

Grand Seiko Heritage "Kiri" 36.5mm

A water resistance icon in the shape of a shield. On the shield is a drop of water and beside the water are two lines that looks like waves.

100M / 10 ATM water resistance

Water resistance indicates a watch's ability to withstand moisture and water. Ratings are measured in metres (M) or atmospheres (ATM). For instance, 30M (3 ATM) is suitable for light splashes, while 100M (10 ATM) and above are ideal for swimming and diving. Regular maintenance helps retain water resistance over time.

A watch movement icon display the inside gears of a mechanical watch.

GS Calibre 9S64 Manual winding

Caliber 9S64 is a manual-winding mechanical movement designed for stable precision in daily use and offers a power reserve of approximately 72 hours when fully wound. Beating at 28,800 vibrations per hour with 24 jewels, it delivers a mean daily rate of +5 to –3 seconds and maintains accuracy of +10 to –1 seconds per day under normal conditions, showcasing Grand Seiko’s dedication to traditional watchmaking and performance.

A watch case size icon that shows the head of the watch with an arrow on the dial giving an indication as to the diameter of the dial.

36mm case size

Case size, measured in millimetres (mm), impacts the watch's look and fit. Men's watches typically range from 38mm to 46mm, and women's from 26mm to 36mm. Larger cases make a bold statement, while smaller cases offer a classic look. Choosing the right size ensures comfort and style.

A power reserve icon that looks like a gauge that indicates how much power is left.

72 hours power reserve

Power reserve is the duration a watch runs on a full wind or charge. Mechanical watches usually offer 40 to 80 hours, with some extending to several days. Quartz watches, powered by batteries, last several years. Knowing the power reserve helps maintain accurate timekeeping.

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Returns & Exchanges

10 days for your money back, or 30 days for an exchange

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Financing

Great financing terms through Flexiti Financial